1-20chapter stats

Suppose 3 high school students are randomly selected

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Unformatted text preview: ppose that on one of these occasions, the special show drew viewers from 38.2% of all US TV households. Suppose that three TV households are randomly selected. What is the probability that none of the three households viewed this special show? A. 0.236 B. 0.056 C. 0.618 D. 0.382 E. 0.127 108. It is very common for television series to draw a large audience for special events of for cliff-hanging story lines. Suppose that on one of these occasions, the special show drew viewers from 38.2% of all US TV households. Suppose that three TV households are randomly selected. What is the probability that exactly one of the three households viewed the special show? A. 0.146 B. 0.084 C. 0.438 D. 0.382 E. 0.056 1-265 Chapter 01 - An Introduction to Business Statistics 109. A survey is made in a neighborhood of 80 voters. 65 were Democrats and 15 were Republicans. Of the Democrats, 35 are women, while 5 of the Republicans are women. If one subject from the group is randomly selected, find the probability: The individual is either a woman or a Democrat. A. .538 B. .813 C. .500 D. .438 E. .875 110. A survey is made in a neighborhood of 80 voters. 65 were Democrats and 15 were Republicans. Of the Democrats, 35 are women, while 5 of the Republicans are women. If one subject from the group is randomly selected, find the probability: A male Republican A. .125 B. .500 C. .333 D. .667 E. .188 111. A survey is made in a neighborhood of 80 voters. 65 were Democrats and 15 were Republicans. Of the Democrats, 35 are women, while 5 of the Republicans are women. If one subject from the group is randomly selected, find the probability: A Democrat or a Republican A. 0.50 B. 1.00 C. 0.813 D. 0.188 E. 0.152 1-266 Chapter 01 - An Introduction to Business Statistics 112. Owners are asked to evaluate their experiences in buying a new car during the past twelve months. When surveys were analyzed the owners indicated they were most satisfied with their experiences at the following three dealers (in no particular order): Saturn, Honda, and Buick. When ranking the dealers how many outcomes are possible? A. 6 B. 9 C. 8 D. 10 E. 12 113. Owners are asked to evaluate their experiences in buying a new car during the past twelve months. When surveys were analyzed the owners indicated they were most satisfied with their experiences at the following three dealers (in no particular order): Saturn, Honda, and Buick. Assuming that each set of rankings is equally likely, what is the probability that Owners ranked Saturn first? A. 1/3 B. 1/6 C. 1/2 D. 5/6 E. 6/6 114. Owners are asked to evaluate their experiences in buying a new car during the past twelve months. When surveys were analyzed the owners indicated they were most satisfied with their experiences at the following three dealers (in no particular order): Saturn, Honda, and Buick. Assuming that each set of rankings is equally likely, what is the probability that Owners ranked Saturn third? A. 1/3 B. 1/6 C. 1/2 D. 5/6 E. 6/6 1-267 Chapter 01 - An Introduction to Business Statistics 115. Owners are asked to evaluate their experiences in buying a new car during the past twelve months. When surveys were analyzed the owners indicated they were most satisfied with their experiences at the following three dealers (in no particular order): Saturn, Honda, and Buick. Assuming that each set of rankings is equally likely, what is the probability that Owners ranked Saturn first and Honda second? A. 1/3 B. 1/6 C. 1/2 D. 5/6 E. 6/6 116. In a study of chain saw injuries, 57% involved arms or hands. If three different chain saw injury cases are randomly selected, find the probability that they all involved arms or hands? A. 0.570 B. 0.190 C. 0.185 D. 0.829 E. 0.325 117. In a local survey, 100 citizens indicated their opinions on a revision to a local land use plan. Of the 62 favorable responses, there were 40 males. Of the 38 unfavorable responses, there were 15 males. If one citizen is randomly selected find the probability A female or has an unfavorable opinion A. 0.83 B. 0.17 C. 0.51 D. 0.60 E. 0.61 1-268 Chapter 01 - An Introduction to Business Statistics 118. In a local survey, 100 citizens indicated their opinions on a revision to a local land use plan. Of the 62 favorable responses, there were 40 males. Of the 38 unfavorable responses, there were 15 males. If one citizen is randomly selected find the probability A male and has a favorable opinion A. 0.40 B. 0.65 C. 0.62 D. 0.55 E. 0.25 119. In a local survey, 100 citizens indicated their opinions on a revision to a local land use plan. Of the 62 favorable responses, there were 40 males. Of the 38 unfavorable responses, there were 15 males. If one citizen is randomly selected find the probability (s)he has a favorable opinion or has an unfavorable opinion A. 0.00 B. 1.00 C. 0.62 D. 0.24 120. Determine whether the two events are mutually exclusive A consumer with an unlisted phone number and a consumer who does not drive A. Mutually exclusive B. Not Mutually exclusive 1...
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This document was uploaded on 01/20/2014.

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