There were 510 tickets purchased for a major league baseball game. The lower reserved tickets cost $9.50 and the upper box tickets cost $10.00. The total amount of money spent was $5025.50. How many of each kind of ticket were purchased?
How many lower reserved tickets?
.
There is a major rivalry between Ohio State and Michigan. Alumni from both schools are claiming there is a difference between the batting averages of their baseball players.
A sample of 60 Ohio State player's averages was .400 with a standard deviation of .05
.
Thickness measurements of a coating process are made to the nearest hundredth of a millimeter. The thickness measurements are uniformly distributed with values 0.10, 0.11, 0.12, 0.13, 0.14. Determine the mean and variance of the coating thickness for this process. Round your answers to four decimal places (e.g. 98.7654
.
There is a government-sponsored study of student achievement in large urban school districts. They give a reading test scored from 0 to 500. A score of 231 is a "basic" reading level and a score of 269 is "proficient." Scores for a random sample of 1400 eighth-graders in a city.
They return to their index in an effect to reduce distribution caused by such one company established a priority list that all employees were to an before sending an e-mail one month after the priority was put into places, a random sample of 42 employees showed that they were receiving.
there were 516 tickets sold for a basketball game. The activity cardholder tickets cost 1.25 and the non ticket holders ticket was 2.50. The total amount of money collected was 1008.75. How many of each ticket was sold? 1) How many activity cardholder tickets were sold? 2) How may non.
thickness of semiconductor wafers has mean of 10 mm and standard deviation of 0.8 mm.
find a thickness value below which average of 49 wafers lies with approximate probability of 0.10.
These are data from a supermarket. The researcher recorded number of sales per different shelf levels.
The lowest shelf is 1 and the highest shelf is 4.
The reseach questions are: Is there any difference in sales between two lowest shelves and two highest.
These are all questions I have missed ,and would like to know how to work them correctly:
1)Possible grades for a class are A, B, C, D, and F. (No +/??'s.)
How many ways are there to assign grades to a class of eight.
There is a quiz show that is composed of three rounds. A contestant solves Question 1 first and if she gets the right answer, then she will move on to next round to answer Question 2, and if she also answers correctly, then she will go to final round to.
Thermal anemometry is used to determine the mass flow rate of water through a pipe. A wire dissipating heat is installed in the pipe. Upstream of the wire, the temperature is measured to be 20.3 C. Well downstream of the wire, where the fluid is sufficiently mixed, the temperature is.
There is a game with two players and they throw a pair of dice. Player 1 wins if the sum is 7 and player 2 wins if the sum is 6. The stakes are split if neither player wins. What is the expectation of each player? Suppose the game continues.
These is a need to create a cubic solid with a through-hole in it, as shown. The cube length is 100 mm, and the hole diameter is 50 mm. In NX 10, use two methods to create the solid: (a) non-parametric method, and (b) parametric method where the through-hole diameter.
Thirty automobiles were tested for fuel efficiency (in miles per gallon). This grouped frequency distribution was obtained. Find the mean. Find the modal class.
.
There is a 30% chance of rain today and a 50% chance of rain tomorrow. Assume that the event that it rains today is independent of the event that it rains tomorrow. What is the probability that there will be no rain today or tomorrow?.
There is sufficient evidence to support the claim that the mean is less than 23 miles per gallon. There is not sufficient evidence to support the claim that the mean is less than 23 miles per gallon. There is sufficient evidence to support the claim that the mean is greater.
There is a dinnertime crisis in your apartment that you share with 2 roommates. You are all hungry for an Easy Mac but there is only one Easy Mac in the pantry. You all agree to use Rock-Paper-Scissors to decide who gets the Easy Mac. ASIDE: In the game of.
There is no demand for a certain commodity when the unit price is $200 or more, but for each $ 10 decrease in price below $200, the quantity demanded increased 200 units. Find the demand function d(x) as it relates to the number of x units supplied..
Think back on a decision that you made sometime over the last few years. Describe the situation, how you came to make the decision, and how what you learned the last two weeks might have influenced that decision..
There is an average of 7 automobile accidents on the campus of Cal Poly Pomona each week. What is the probability there will be 10 accidents in a particular week? What is the probability of less than 3 accidents in a particular week?.
Think about when you would use a non-parametric test vs a parametric test. Give an example of a study (population and what you are studying) where you would use a non-parametric test. You do not need to specify an exact test, just discuss your example.
What question.
There is a sample of 500 births in the state of North Carolina in the year 2005 (refer to NCbirths dataset from that homework). Assume that birth weights can be modeled with a normal distribution with mean 3300 grams, or about 7.275 pounds. Use these sample data to conduct a.
These proofs CANNOT be solved using the concept of determinant.
For example: for proof labled '3' - (AB)^-1 = ((B^1)(A^-1)) cannot be assumed - one mustsolve the proof by first solving for such.
Thanks! - Give good detail..
There is a large pool of lottery tickets 20% of which are winning tickets. From this pool, a person purchases 10 tickets, and let X denote the total number of winning tickets. Assume independence, write the p.m.f of X and find E(X) and Var(X), and use these to find E(Y).
There were 49.7 million people with some type of long-lasting condition or disability living in the United States in 2000. This represented 19.3 percent of the majority of civilians aged five and over (http://factfinder.census.gov). A sample of 1000 persons is selected at random. (a) Approximate the probability that more than.
there is a certain army composed of dukes, earls, and soldiers. each duke has under him twice as many earls and there are dukes. each earl has under him four times and many soldiers as tehere are dukes. The 300the part of the number of soldiers is 9 times as.
Thickened Mobius. Imagine a Mobius band thickened so the edge is as thick as the side. We'll call this a thickened Mobius band. How many edges does it have?.
Think about your favorite game, what is it? Are probabilties play a role on it? Think about an example of playing this game and share the probability of the outcome.
There were 1,986,000 deaths in the US in 1982. What additional information is needed to compute crude mortality?
a. the number of individuals who were diagnosed with fatal illnesses in 1982
b. infant mortality in 1982
c. the total mid-year US.
There is good evidence that there is a relationship between oxygen consumption and the run time.
For every additional minute it takes to run the 1500 m the estimated oxygen consumption rate decreases by 3.31.
The slope is 82.42.
The fitted.
There are two Urns: Urn I contains five red balls and Urn II contains five green balls. Simultaneously, a ball is randomly drawn from each urn and placed into the other urn. This process is repeated one more time.
a. Draw a tree diagram for the possible.
There is a rectangular bright red windows form that is approximately two times longer than it is tall. The text of the form as described in the title bar reads Form1. There is a menustrip object that is the length of the form from left to right approximately ¼ inch.
Third-party candidates are something of a puzzle for students of electoral behavior. In presidential elections, most voters cast their ballots for one of the major-party candidates, but many voters support candidates of minor parties, such as the Reform Party, the Green Party, the Constitution Party, the Libertarian Party, or the.
There is an office building with 91 stories. The building has a staircase which averages 22 steps for each story. How many steps would you climb to get to the 91st story? Once you get there, you are 1285 feet off the ground. How many floors are below you, and.
There is a container that holds 6 red marbles, 4 green, and 1 blue marble. if two selections are made, create a tree diagram to depict this, if the draws are made without replacement. (make the whole tree with branches, leaves and all of their corresponding probabilities. now find the.
There is money to send TWO of SEVEN city council members to a conference in Honolulu. All want to go, so they decide to choose the members to go to the conference by a random process. How many different combinations of TWO council members can be selected from the SEVEN.
There is some evidence that REM sleep, associated with dreaming, may also play a role in learning and memory processing. For example, Smith and Lapp (1991) found increased REM activity for college students during exam periods. Suppose that REM activity for a sample of n = 16 students during the.
there was a printing error. the c and d circled are part of the Question
120 5 How much power savings would be achieved by reducing the voltage by 20% and frequency by 40%? d 120] <1.5> How much power savings would be achieved by placing 30%.
There were 722 tickets purchased for a major league baseball game. The general admission tickets cost $6.50 and the upper box tickets cost $10.00. The total amount of money spent was $6058.00. How many of each kind of ticket were purchased? How many general admission tickets were purchased? How many.
There is considerable evidence to support the theory that for some species there is a minimum population m such that the species will become extinct if the size of the population falls below mThis condition can be incorporated into the logistic equation by introducing the factor
(1-(m/p)).
There is a 76 % chance that when a shopper sees product X in the store, the shopper will like it. If a shopper likes it he or she will buy one. If the shopper does not like it, he or she will buy zero. Mrs. Smith has just seen.
These problems involve a jelly bean factory that makes 5 different colors of jelly beans: blue, orange, green, pink and purple. They randomly combine the jelly beans of different colors into bags to sell.
(a) How many different bags of 10 jelly beans are possible? (b) How.
There is substantial interest in the health benefits of the consumption of high amounts of fiber in diets. A market research team is interested in the public acceptance of a new high-fiber cereal (more than 8 gm of fiber per serving) that is to be marketed. To that end, the.
think about a study you would like to explore in your future or current career that could be analyzed with ANOVA. To help design the study, please answer the following: What is the independent variable? What are your levels of the independent variable? What is the dependent variable? What do.
There is not sufficient evidence to support the claim that the proportion is greater than 3 in ten thousand. There is not sufficient evidence to support the claim that the proportion is less than 3 in ten thousand. There is sufficient evidence to support the claim that the proportion is.
Think of something that you might want to measure that is affected by random variation. Identify what you want to measure, then describe its (approximate) sample space. Give a rough description of the probabilities associated with those values (you can simply specify if they are all the same probability or.
THERE IS A 0.86 PROBABLITY THAT MATH STUDENTS WILL CORRECTLY FOLLOW ALL INSTRUCTIONS ON THE FINAL EXAM. WHAT I IS THE PROBABILITY THAT EXACTLY 86 OF 100 STUDENTS TAKING THE CLASS IN A PARTICULAR TERM WILL FOLLOW ALL FINAL EXAMS INSTRRUCCTIONS? ROUND ANSWER TO THE NEAREST TEN THOUSANDTH. SHOW WORK..
they have taken a fake pill because they expect the trea Section 5.2 Exercises erpts from the 5.51 aint John's-wort relieve major depression? Here are some effective than report of a study the herb is more a placebo of this issue e study concluded that Explain the (a) "Design: Randomized,.
There were 540 people at a play. The admission price was $3 fot adults and $1 for children. The admission receipts were $1,060 How many adults and how many children attended? 280 adults, 260 children 140 adults, 400 children 260 adults, 280 children 265 adults, 275 children.
these some problems ,need solutions from "Introduction to Time Series Analysis and Forecasting,2nd edition" book
1.2 What is a time series? Explain the meaning of trend effects, seasonal variations, and random error.
1.3 Explain the difference between a point forecast and an interval forecast.
.
