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11. Suppose the event planner assumes that 4% of the

11. Suppose the event planner assumes that 4% of the guests will be pescatarian so he orders 10 pescatarian meals. What is the approximate probability that more than 4% of the guests are pescatarian and that he will not have enough pescatarian meals? Round to the nearest thousandth. a. 0.387 b. 0.113 c..

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11. Suppose the event planner assumes that 4% of the

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11. Suppose the event planner assumes that 2.8% of the

11. Suppose the event planner assumes that 2.8% of the children attending the event will be lactose intolerant so he orders 7 lactose-free meals. What is the approximate probability that more than 2.8% of the children attending the event are lactose intolerant and that he will not have enough lactose-free.

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11. Suppose the event planner assumes that 2.8% of the

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11. what percent of girls spent 5 hours or less

11. About what percent of girls spent 5 hours or less on extracurricular athletic activities each week? Round to the nearest whole percent. 12. You have created a histogram showing the distribution of the amount of money spent weekly on video game purchases of 120 males ages 19-25 over the last.

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11. what percent of girls spent 5 hours or less

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Use the following information to answer questions (1) and (2).

Use the following information to answer questions (1) and (2). A junior high gym teacher recorded the time, in minutes, that it took two of her classes to run one mile. Here are the summary statistics for each class: Class A: x = 9.6, s=1.1 Class B: x = 9.9; s=1.5 1..

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Use the following information to answer questions (1) and (2).

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Use the following information for questions (11) and (12). On

Use the following information for questions (11) and (12). On a busy day, the average roller coaster wait time at a large amusement park is 27 minutes. Suppose the standard deviation of wait time is 11.9 minutes and the distribution of wait times is approximately normally distributed. 11. If it is.

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Use the following information for questions (11) and (12). On

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1. The scatterplot below shows the ice cream sales and

1. The scatterplot below shows the ice cream sales and daily high temperatures for a three week period of time during the summer. Does there appear to be an association between these two variables? If so, describe the pattern. Be sure to comment on trend, shape, and the strength of.

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1. The scatterplot below shows the ice cream sales and

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For questions (1)-(3), fill in the blank to complete the

For questions (1)-(3), fill in the blank to complete the statement. 1. Suppose that the age of all the U. S. vice presidents when they took office was recorded. The collection of the ages of all the U. S. vice presidents when they took office is a_______________. a. Population b. Sample c. Parameter d. Statistic 2..

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For questions (1)-(3), fill in the blank to complete the

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Use the following information to answer questions (16)-(18). Suppose that

Use the following information to answer questions (16)-(18). Suppose that a recent poll of single people over the age of thirty-five were asked about their living arrangements. The poll found that 34% rented a house or apartment, 21% owned a house, and 17% owned a condominium. Suppose that four single.

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Use the following information to answer questions (16)-(18). Suppose that

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Use the following data to answer questions (16)-(18). Here the

Use the following data to answer questions (16)-(18). Here are the scores on a recent statistics midterm exam (Scores have been listed from lowest to highest). A histogram showing the distribution is also included. 16. Which measure of center, mean or median, would be most appropriate, and why? Using the.

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Use the following data to answer questions (16)-(18). Here the

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1.Consider one toss of a fair six-sided die. State the

1.Consider one toss of a fair six-sided die. State the sample space of possible outcomes. State one possible random event then state the theoretical probability of that event. Explain how you know that this is the probability of the random event. 2.Describe the difference between a theoretical probability and an empirical.

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1.Consider one toss of a fair six-sided die. State the

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11. The average grade an algebra exam was 76% with

11. The average grade on an algebra exam was 76% with a standard deviation of 6 percentage points. The average grade on a chemistry exam was 81% with a standard deviation of 2 percentage points. Julie got a grade of 83% on both exams. Which exam did she do relatively.

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11. The average grade an algebra exam was 76% with

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16. Did one group (males or females) show more variability

16. Did one group (males or females) show more variability in car color? 17. Write a sentence to compare color preferences or males and females. A survey was conducted which asked college students, “What is your favorite type of take-out food?” The results are shown in the graphs below. Use the graphs.

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16. Did one group (males or females) show more variability

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16. When a two-sample test of proportions conducted, there two

16. When a two-sample test of proportions is conducted, there are two conditions of independence that must be checked. State the two conditions of independence. Be sure that your statement clearly states the difference between the two conditions. Use the following information to answer questions (17) and (18). A child psychologist.

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16. When a two-sample test of proportions conducted, there two

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Use the following information to answer questions (11) and (12).

Use the following information to answer questions (11) and (12). A researcher is wondering whether the drinking habits of adults in a certain region of the country are in the same proportion as the general population of adults. Suppose a recent study stated that the proportion of adults who reported.

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Use the following information to answer questions (11) and (12).

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1.Which of the following statements not true about probability? a.A probability

1.Which of the following statements is not true about probability? a.A probability of zero means that an event will not happen, a probability of one means that an event is certain to happen. b.Probability is used to measure how often random events occur. c.Probabilities are always numbers between 0 and 1 inclusive. d.All of.

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1.Which of the following statements not true about probability? a.A probability

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6. Suppose a female professor offered a position with an

6. Suppose a female professor is offered a position with an annual salary of $100,000. Compared to the women from the nine institutions in the study, would this be an unusually good salary? Explain. 7. In your own words, explain what the Empirical Rule says and what conditions a distribution must.

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6. Suppose a female professor offered a position with an

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1. Explain the difference between a population and a sample.

1. Explain the difference between a population and a sample. Give an example of each. 2. Explain the difference between a statistic and a parameter. Give an example of each. 3. Can the way a survey question is asked affect the sample results? Explain why such a sample is or is.

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1. Explain the difference between a population and a sample.

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Use the following information to answer questions (11)-(13) A scatterplot

Use the following information to answer questions (11)-(13) A scatterplot shows that city size of residence and number of children born to married couples has a decreasing linear trend, that is, on average, as the city size where a married couple lives increases the number of children that a married.

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Use the following information to answer questions (11)-(13) A scatterplot

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For questions (6) and (7), shade the approximate area that

For questions (6) and (7), shade the approximate area that would represent the p-value for the alternative hypothesis and z-score, and then calculate the p-value. Round to the nearest thousandth. 6. The alternative hypothesis is a right-tailed with a z-score = 0.21 7. The alternative hypothesis is a two-tailed with a z-score.

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For questions (6) and (7), shade the approximate area that

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1. The following nine values represent race finish times in

1. The following nine values represent race finish times in hours for a randomly selected group of participants in an extreme 10k race (a 10k race with obstacles). Which of the following is closest to the mean of the following data set? 1.0, 1.1, 1.2, 1.2, 1.3, 1.4, 1.4, 1.4, 1.5 a..

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1. The following nine values represent race finish times in

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11. Suppose it has been established that “annual income” and

11. Suppose it has been established that “annual income” and “Years of college” are linearly related, and that the relationship can be modeled using the following equation: Annual Income = $23,400+$7200(Years of College). In this model, “Annual Income” is the ? variable, and “Years of College” is the ? variable. .

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11. Suppose it has been established that “annual income” and

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1. Explain the difference between a discrete random variable and

1. Explain the difference between a discrete random variable and a continuous random variable and give an example of each. 2. When exposed to heat, the reaction time of a certain chemical always occurs after thirteen minutes, but before 17 minutes. Reaction times for this chemical can be modeled by a.

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1. Explain the difference between a discrete random variable and

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1. Complete the statement by filling in the blanks. The

1. Complete the statement by filling in the blanks. The null hypothesis is to be and is only rejected when the observed outcome is shown to be ___________________. a.Proven; true; impossible b.Known; true; the population parameter c.Assumed; true; extremely unlikely d.Likely; false; extremely likely 2. Read the following problem description then choose the.

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1. Complete the statement by filling in the blanks. The

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Use the information that follows to answer questions (6)-(8). Circumferences

Use the information that follows to answer questions (6)-(8). Circumferences of regulation soccer balls have a mean of 69 cm with as standard deviation of 1.50 cm. Assume that the circumferences of soccer balls are approximately normally distributed. 6. Roughly what percentage of regulation soccer balls has a circumference that is.

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Use the information that follows to answer questions (6)-(8). Circumferences

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11. Suppose that it reported in the news that 12

11. Suppose that it is reported in the news that 12 % of the people living and working in Kokomo feel that their commute is too long. What is the travel time to work that separates the top 12% of people with the longest travel times and the lower 88%? .

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11. Suppose that it reported in the news that 12

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1. The worker at a carnival game claims that he

1. The worker at a carnival game claims that he can communicate with a small magic rock and to prove it he tells you to hide it in your hand behind your back and he will identify the hand holding the rock. Being a wise student of statistics, you decide.

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1. The worker at a carnival game claims that he

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Use the following information to answer questions (11) – (13).

Use the following information to answer questions (11) – (13). A health foods shop owner is wondering if his customer’s daily vitamin supplement habits are in the same proportion as the general population of adults. The shop owner heard in a news report that 60% of all adults reported that.

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Use the following information to answer questions (11) – (13).

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Use the following information for questions (16) – (19). Suppose

Use the following information for questions (16) – (19). Suppose that the probability that the train travelling from Holland, Michigan to Chicago, Illinois arrives on time is 0.80. For the questions that follow, consider a sample of twenty randomly selected train trips. 16. Approximately how many trips would you expect to.

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Use the following information for questions (16) – (19). Suppose

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Use the following information to answer questions (12)-(14). The economic

Use the following information to answer questions (12)-(14). The economic impact of an industry, such as sport fishing, can be measured by the retail sales it generates. In 2006, the economic impact of great lakes fishing in states bordering the great lakes had a mean of $318 and a standard.

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Use the following information to answer questions (12)-(14). The economic

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11.If one student randomly chosen from the group, what the

11.If one student is randomly chosen from the group, what is the probability that the student is female or chose “homework” as their most likely activity on a Saturday morning? a.0.665 b.0.900 c.0.755 d.None of the above 12.Find the probability that a male college student from the group chose “homework” as their most likely activity.

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11.If one student randomly chosen from the group, what the

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1.Which of the following statements not true about probability in

1.Which of the following statements is not true about probability in general? a.Probability is used to measure how often random events occur. b.Probabilities are always numbers between 0 and 1 inclusive. c.A probability of 0 means that an event will not occur and a probability of 1 means that an event is certain.

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1.Which of the following statements not true about probability in

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Use the following information to answer questions (12)-(14). The economic

Use the following information to answer questions (12)-(14). The economic impact of an industry, such as sport fishing, can be measured by the retail sales it generates. In 2006, the economic impact of great lakes fishing in states bordering the great lakes had a mean of $318 and a standard.

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Use the following information to answer questions (12)-(14). The economic

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1. The following nine values represent race finish times in

1. The following nine values represent race finish times in hours for a randomly selected group of participants in an extreme 10k race (a 10k race with obstacles). Which of the following is closest to the mean of the following data set? 1.0, 1.2, 1.2, 1.3, 1.4, 1.5, 1.5, 1.7, 2.1 a..

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1. The following nine values represent race finish times in

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For questions (1)-(3), fill in the blank to complete the

For questions (1)-(3), fill in the blank to complete the statement. 1. The collection of the ages of all the U. S. first ladies when they married is a _______________. a. Population b. Sample c. Parameter d. Statistic 2. Suppose that the age of all the U. S. first ladies when they married was recorded. The.

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For questions (1)-(3), fill in the blank to complete the

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1. Determine whether the variable would best be modeled as

1. Determine whether the variable would best be modeled as continuous or discrete: The number of cups dispensed from a beverage vending machine during a 24-hour period. a.Continuous b.Discrete 2. Determine whether the variable would best be modeled as continuous or discrete: The temperature of a cup of coffee dispensed from a beverage.

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1. Determine whether the variable would best be modeled as

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11.What the probability that a randomly chosen survey respondent male

11.What is the probability that a randomly chosen survey respondent is male or chose “recreation” as their most likely activity on Saturday mornings? a.0.790 b.0.480 c.0.675 d.None of the above 12.Find the probability that a female college student from the group chose “housework” as their most likely activity on Saturday mornings? (round to the nearest.

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11.What the probability that a randomly chosen survey respondent male

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1.Which of the following not true about the alternative hypothesis? a.It

1.Which of the following is not true about the alternative hypothesis? a.It is sometimes called the research hypothesis. b.It is assumed to be true based on the sample results. c.Like the null hypothesis, it is always a statement about a population parameter. d.It is usually a statement that the researcher hopes to demonstrate is.

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1.Which of the following not true about the alternative hypothesis? a.It

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11. Suppose the wedding planner assumes that 5% of the

11. Suppose the wedding planner assumes that 5% of the guests will be pollotarian so she orders 15 pollotarian meals. What is the approximate probability that more than 5% of the guests are pollotarian and therefore she will not have enough pollotarian meals? Round to the nearest thousandth. a. 0.079 b. 0.421 c..

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11. Suppose the wedding planner assumes that 5% of the

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1. The scatterplot below shows the hat size and IQ

1. The scatterplot below shows the hat size and IQ of some adults. Is the trend positive, negative, or near zero? a. Positive b. Negative c. Near Zero 2. The scatterplot below shows the number of tackles received and the number of concussions received for a team of football players for the most recent.

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1. The scatterplot below shows the hat size and IQ

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6.State the complement of the event given in question (5)

6.State the complement of the event given in question (5) and calculate the probability of the complement. Show your work and round to the nearest tenth of a percent. 7.What is the probability that Issac will have Saturday and Sunday off? Show your work and round to the nearest tenth of.

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6.State the complement of the event given in question (5)

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11. Suppose that it reported in the news that 8

11. Suppose that it is reported in the news that 8 % of the people living and working in Kokomo feel “very satisfied” with their commute time to work. What is the travel time to work that separates the bottom 8% of people with the shortest travel times and the.

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11. Suppose that it reported in the news that 8

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6. Suppose each of these families given a grocery credit

6. Suppose each of these families is given a grocery credit of $100, therefore reducing expenditures in the table by one unit (since this variable was recorded in hundreds of dollars). Estimate the new correlation with city size. What happens to the correlation when a constant is added (in this.

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6. Suppose each of these families given a grocery credit

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Use the following information to answer questions (11) - (13).

Use the following information to answer questions (11) - (13). A researcher is wondering whether the drinking habits of adults in a certain region of the country are in the same proportion as the general population of adults. Suppose a recent study stated that the proportion of adults who reported.

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Use the following information to answer questions (11) - (13).

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16. Height and weight charts for women show that a

16. Height and weight charts for women show that a woman who is 71 inches tall has a target weight between 135 and 176 pounds. Would the regression model you found for the large sample of (in question 15) place a woman who was 71 inches tall within this range? 17..

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16. Height and weight charts for women show that a

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11. Suppose it has been established that “home value” and

11. Suppose it has been established that “home value” and “Years of college” are linearly related, and that the relationship can be modeled using the following equation: Home value = $75,000+$12,500(Years of College). In this model, “years of college” is the ? variable, and “home value” is the ? variable. .

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11. Suppose it has been established that “home value” and

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1. Determine whether the variable would best be modeled as

1. Determine whether the variable would best be modeled as continuous or discrete: The temperature of a greenhouse at a certain time of the day. a.Continuous b.Discrete 2. Determine whether the variable would best be modeled as continuous or discrete: The number of tomatoes harvested each week from a greenhouse tomato plant. a.Continuous b.Discrete 3. At.

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1. Determine whether the variable would best be modeled as

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16. What the margin of error, using a 95% confidence

16. What is the margin of error, using a 95% confidence level, for estimating the true proportion of adults who self-report that they cannot swim 24 yards? Round to the nearest thousandth. 17. Report the 95% confidence interval for the proportion of adults who self-report that they cannot swim 24 yards. .

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16. What the margin of error, using a 95% confidence

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11.If one person chosen randomly from the group, what the

11.If one person is chosen randomly from the group, what is the probability that the person purchased a sport utility vehicle or a pick-up truck? 12.Find the probability that a randomly chosen female buyer bought a van. (Round to the nearest hundredth) 13.Using this example, state two events that are mutually exclusive. 14.Suppose.

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11.If one person chosen randomly from the group, what the

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1. Doctors believe that smoking cigarettes lowers lung capacity. To

1. Doctors believe that smoking cigarettes lowers lung capacity. To test this they measured the lung capacity (in liters) and the number of cigarettes smoked in a typical day for a sample of adults. Is the scatterplot below consistent with the researcher’s hypothesis? a. Yes, it is consistent. b. No, it contradicts.

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1. Doctors believe that smoking cigarettes lowers lung capacity. To

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Use the following information to answer questions (6)-(8). A marble

Use the following information to answer questions (6)-(8). A marble manufacturer advertises that its bags of marbles will contain 25% “milky-white” marbles. Suppose that a bag containing 80 marbles is inspected. 6. What value should we expect for our sampling percentage of milky-white marbles? How many marbles would this be? Round.

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Use the following information to answer questions (6)-(8). A marble

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Study Resources (Statistics)

11. Suppose the event planner assumes that 4% of the

11. Suppose the event planner assumes that 4% of the

11. Suppose the event planner assumes that 2.8% of the

11. Suppose the event planner assumes that 2.8% of the

11. what percent of girls spent 5 hours or less

11. About what percent of girls spent 5 hours or less on extracurricular athletic activities each week? Round to the nearest whole percent. 12. You have created a histogram showing the distribution of the amount of money spent weekly on video game purchases of 120 males ages 19-25 over the last.

11. what percent of girls spent 5 hours or less

Use the following information to answer questions (1) and (2).

Use the following information to answer questions (1) and (2). A junior high gym teacher recorded the time, in minutes, that it took two of her classes to run one mile. Here are the summary statistics for each class: Class A: x = 9.6, s=1.1 Class B: x = 9.9; s=1.5 1..

Use the following information to answer questions (1) and (2).

Use the following information for questions (11) and (12). On

Use the following information for questions (11) and (12). On a busy day, the average roller coaster wait time at a large amusement park is 27 minutes. Suppose the standard deviation of wait time is 11.9 minutes and the distribution of wait times is approximately normally distributed. 11. If it is.

Use the following information for questions (11) and (12). On

1. The scatterplot below shows the ice cream sales and

1. The scatterplot below shows the ice cream sales and daily high temperatures for a three week period of time during the summer. Does there appear to be an association between these two variables? If so, describe the pattern. Be sure to comment on trend, shape, and the strength of.

1. The scatterplot below shows the ice cream sales and

For questions (1)-(3), fill in the blank to complete the

For questions (1)-(3), fill in the blank to complete the

Use the following information to answer questions (16)-(18). Suppose that

Use the following information to answer questions (16)-(18). Suppose that

Use the following data to answer questions (16)-(18). Here the

Use the following data to answer questions (16)-(18). Here the

1.Consider one toss of a fair six-sided die. State the

1.Consider one toss of a fair six-sided die. State the

11. The average grade an algebra exam was 76% with

11. The average grade on an algebra exam was 76% with a standard deviation of 6 percentage points. The average grade on a chemistry exam was 81% with a standard deviation of 2 percentage points. Julie got a grade of 83% on both exams. Which exam did she do relatively.

11. The average grade an algebra exam was 76% with

16. Did one group (males or females) show more variability

16. Did one group (males or females) show more variability

16. When a two-sample test of proportions conducted, there two

16. When a two-sample test of proportions conducted, there two

Use the following information to answer questions (11) and (12).

Use the following information to answer questions (11) and (12).

1.Which of the following statements not true about probability? a.A probability

1.Which of the following statements not true about probability? a.A probability

6. Suppose a female professor offered a position with an

6. Suppose a female professor is offered a position with an annual salary of $100,000. Compared to the women from the nine institutions in the study, would this be an unusually good salary? Explain. 7. In your own words, explain what the Empirical Rule says and what conditions a distribution must.

6. Suppose a female professor offered a position with an

1. Explain the difference between a population and a sample.

1. Explain the difference between a population and a sample. Give an example of each. 2. Explain the difference between a statistic and a parameter. Give an example of each. 3. Can the way a survey question is asked affect the sample results? Explain why such a sample is or is.

1. Explain the difference between a population and a sample.

Use the following information to answer questions (11)-(13) A scatterplot

Use the following information to answer questions (11)-(13) A scatterplot

For questions (6) and (7), shade the approximate area that

For questions (6) and (7), shade the approximate area that

1. The following nine values represent race finish times in

1. The following nine values represent race finish times in hours for a randomly selected group of participants in an extreme 10k race (a 10k race with obstacles). Which of the following is closest to the mean of the following data set? 1.0, 1.1, 1.2, 1.2, 1.3, 1.4, 1.4, 1.4, 1.5 a..

1. The following nine values represent race finish times in

11. Suppose it has been established that “annual income” and

11. Suppose it has been established that “annual income” and

1. Explain the difference between a discrete random variable and

1. Explain the difference between a discrete random variable and

1. Complete the statement by filling in the blanks. The

1. Complete the statement by filling in the blanks. The

Use the information that follows to answer questions (6)-(8). Circumferences

Use the information that follows to answer questions (6)-(8). Circumferences

11. Suppose that it reported in the news that 12

11. Suppose that it is reported in the news that 12 % of the people living and working in Kokomo feel that their commute is too long. What is the travel time to work that separates the top 12% of people with the longest travel times and the lower 88%? .

11. Suppose that it reported in the news that 12

1. The worker at a carnival game claims that he

1. The worker at a carnival game claims that he can communicate with a small magic rock and to prove it he tells you to hide it in your hand behind your back and he will identify the hand holding the rock. Being a wise student of statistics, you decide.

1. The worker at a carnival game claims that he

Use the following information to answer questions (11) – (13).

Use the following information to answer questions (11) – (13). A health foods shop owner is wondering if his customer’s daily vitamin supplement habits are in the same proportion as the general population of adults. The shop owner heard in a news report that 60% of all adults reported that.

Use the following information to answer questions (11) – (13).

Use the following information for questions (16) – (19). Suppose

Use the following information for questions (16) – (19). Suppose

Use the following information to answer questions (12)-(14). The economic

Use the following information to answer questions (12)-(14). The economic impact of an industry, such as sport fishing, can be measured by the retail sales it generates. In 2006, the economic impact of great lakes fishing in states bordering the great lakes had a mean of $318 and a standard.

Use the following information to answer questions (12)-(14). The economic

11.If one student randomly chosen from the group, what the

11.If one student randomly chosen from the group, what the

1.Which of the following statements not true about probability in

1.Which of the following statements not true about probability in

Use the following information to answer questions (12)-(14). The economic

Use the following information to answer questions (12)-(14). The economic impact of an industry, such as sport fishing, can be measured by the retail sales it generates. In 2006, the economic impact of great lakes fishing in states bordering the great lakes had a mean of $318 and a standard.

Use the following information to answer questions (12)-(14). The economic

1. The following nine values represent race finish times in

1. The following nine values represent race finish times in hours for a randomly selected group of participants in an extreme 10k race (a 10k race with obstacles). Which of the following is closest to the mean of the following data set? 1.0, 1.2, 1.2, 1.3, 1.4, 1.5, 1.5, 1.7, 2.1 a..