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Statistics Expert Answers / Study Resources : Page 128

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105.Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation. 106.Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation. 107.Briefly list strengths and weaknesses of this display..

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  • 105.Briefly list strengths and weaknesses of this display. Cite specific
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110.The value of 4P2 is: A.8. B.6. C.24. D.12. 111.The probability that event A occurs, given that event B has occurred, is an example of: A.a marginal probability. B.a conditional probability. C.a joint probability. D.more than one of the above. 112.If each of two independent file servers has a reliability of 93 percent and either alone can run the website,.

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  • 110.The value of 4P2 is: A.8. B.6. C.24. D.12. 111.The probability that event A occurs,
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65.Which Excel function is designed to calculate z = (x - μ)/σ for a column of data? A. =STANDARDIZE B. =NORM.DIST C. =STDEV.P D. =AVEDEV 66.Which Excel function would be least useful to calculate the quartiles for a column of data? A. =STANDARDIZE B. =PERCENTILE.EXC C. =QUARTILE.EXC D. =RANK 67.A sample of 50 breakfast customers of McDonald's showed.

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  • 65.Which Excel function designed to calculate z = (x -
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70.Given the contingency table shown here, what is the probability that a mother in the study smoked during pregnancy? A..2591 B..3174 C..5000 D..7401 71.Given the contingency table shown here, what is the probability that a mother smoked during pregnancy if her education level was below high school? A..2385 B..0907 C..3503 D..3804 72.Given the contingency table shown here, what is the.

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  • 70.Given the contingency table shown here, what the probability that
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Multiple Choice Questions 40.Events A and B are mutually exclusive when: A.their joint probability is zero. B.they are independent events. C.P(A)P(B) = 0 D.P(A)P(B) = P(A | B) 41.If two events are complementary, then we know that: A.the sum of their probabilities is one. B.the joint probability of the two events is one. C.their intersection has a nonzero probability. D.they.

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  • Multiple Choice Questions 40.Events A and B mutually exclusive when: A.their joint
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60.Given the contingency table shown here, find P(A or B). A..25 B..85 C..60 D..42 61.Given the contingency table shown here, find P(B | A). A..250 B..555 C..855 D..625 62.Given the contingency table shown here, what is the probability that a randomly chosen employee who is under age 25 would be absent 2 or more days? A..625 B..375 C..150 D..273 63.Oxnard Casualty wants to ensure that.

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  • 60.Given the contingency table shown here, find P(A or B). A..25 B..85 C..60 D..42 61.Given
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Multiple Choice Questions27.A discrete probability distribution:A.is a listing of all possible values of the random variable. B.assigns a probability to each possible value of the random variable. C.can assume values between -1 and +1. D.is independent of the parameters of the distribution. 28.The number of male babies in a sample of 10 randomly chosen.

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  • Multiple Choice Questions27.A discrete probability distribution:A.is a listing of all
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80.Given the contingency table shown here, if a randomly chosen student attends a religious school, what is the probability the location is rural? A..142 B..162 C..167 D..333 81.Given the contingency table shown here, if a randomly chosen student attends school in an inner-city location, what is the probability that it is a public school? A..189 B..333 C..500 D..567 82.Given the.

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  • 80.Given the contingency table shown here, if a randomly chosen
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Short Answer Questions89.Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation. 90.Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation. 91.Briefly list strengths and weaknesses of.

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  • Short Answer Questions89.Briefly list strengths and weaknesses of this display.
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50.Given the contingency table shown here, find the probability P(V´), that is, the probability of the complement of V. A..30 B..50 C..80 D..15 51.Given the contingency table shown here, find P(W∩S). A..12 B..30 C..40 D..58 52.Given the contingency table shown here, find P(A or M). A..2500 B..7500 C..6250 D..1250 53.Given the contingency table shown here, find P(A2). A..1842 B..1766 C..8163 D..0578 54.Given the contingency table shown here, find P(A3∩B2). A..3212 B..2933 C..0942 D..1006 55.Given the.

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  • 50.Given the contingency table shown here, find the probability P(V´),
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100.Given the contingency table shown here, find P(G | M). A..1800 B..0450 C..3333 D..1350 101.Given the contingency table shown here, find P(V or S). A..3825 B..4300 C..0475 D..4775 102.Given the contingency table shown here, find P(V | S). A..2639 B..1900 C..0475 D..4144 103.The manager of Ardmore Pharmacy knows that 25 percent of the customers entering the store buy prescription drugs, 65 percent buy over-the-counter drugs,.

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  • 100.Given the contingency table shown here, find P(G | M). A..1800 B..0450 C..3333 D..1350 101.Given
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90.Given the contingency table shown here, find the joint probability that a call sampled at random out of this population is local and 2-5 minutes long. A..5000 B..3125 C..4000 D..4625 91.Given the contingency table shown here, if a call is sampled at random, find the marginal probability that the call is long distance. A..3750 B..6250 C..4000 D.300/500 92.If a call.

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  • 90.Given the contingency table shown here, find the joint probability
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115.The following frequency distribution shows the amount earned yesterday by employees of a large Las Vegas casino. Estimate the mean daily earnings. A. $112.50 B. $125.01 C. $105.47 D. $117.13 116.The following table is the frequency distribution of parking fees for a day: A. $7.07. B. $6.95. C. $7.00. D. $7.25. 117.Find the standard deviation of this sample: 4, 7,.

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  • 115.The following frequency distribution shows the amount earned yesterday by
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85.Which statistics offer robust (resistant to outliers) measures of center? A. Mean, midrange, mode. B. Median, midhinge, trimmed mean. C. Trimmed mean, midrange, midhinge. D. Mean, mode, quartiles. 86.The Empirical Rule says that: A. most business data sets are normally distributed. B. outliers are within three standard deviations of the mean. C. in most business data.

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  • 85.Which statistics offer robust (resistant to outliers) measures of center?
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Multiple Choice Questions 33.The ______________ can be used to differentiate the "vital few" causes of quality problems from the "trivial many" causes of quality problems. A. histogram B. scatter plot C. Pareto chart D. box plot 34.Which is not a characteristic of a dot plot? A. Simplicity B. Legibility C. Wide bins D. Dot stacking 35.Which display is most.

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  • Multiple Choice Questions 33.The ______________ can be used to differentiate the
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