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Unformatted text preview: n. 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 AACSB: Analytical Studies Bloom's: Application Difficulty: Medium Topic: Probability & Union 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 40/100 AACSB: Analytical Studies Bloom's: Application Difficulty: Easy Topic: Probability - Intersection 1-335 Chapter 01 - An Introduction to Business Statistics 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 AACSB: Analytical Studies Bloom's: Application Difficulty: Easy Topic: Probability 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 AACSB: Analytical Studies Bloom's: Comprehension Difficulty: Easy Topic: Probability & Mutually Exclusive Events 121. Determine whether the two events are mutually exclusive An unmarried person and a person with an employed spouse A. Mutually exclusive B. Not Mutually exclusive AACSB: Analytical Studies Bloom's: Comprehension Difficulty: Easy Topic: Probability & Mutually Exclusive Events 1-336 Chapter 01 - An Introduction to Business Statistics 122. Determine whether the two events are mutually exclusive Someone born in the United States and a US citizen A. Mutually exclusive B. Not Mutually exclusive AACSB: Analytical Studies Bloom's: Comprehension Difficulty: Easy Topic: Probability & Mutually Exclusive Events 123. Determine whether the two events are mutually exclusive A voter who favors gun control and a conservative voter A. Mutually exclusive B. Not Mutually exclusive AACSB: Analytical Studies Bloom's: Comprehension Difficulty: Easy Topic: Probability & Mutually Exclusive Events 124. Determine whether the two events are mutually exclusive A voter who is a registered Democrat and a voter who favors a Republican candidate A. Mutually exclusive B. Not Mutually exclusive AACSB: Analytical Studies Bloom's: Comprehension Difficulty: Easy Topic: Probability & Mutually Exclusive Events 1-337 Chapter 01 - An Introduction to Business Statistics 125. In a recent survey of homes in a major Midwestern city, 10% of the homes have a fax machine and 52% have a personal computer. Suppose 91% of the homes with a fax machine also have a personal computer. What percent of homes have a fax machine and a personal computer? A. 5.2% B. 91% C. 52% D. 9.1% E. 10% P(F ∩ PC) = P(PC|F) * P(F) AACSB: Analytical Studies Bloom's: Application Difficulty: Hard Topic: Probability & Conditional 126. In a recent survey of homes in a major Midwestern city, 10% of the homes have a fax machine and 52% have a personal computer. Suppose 91% of the homes with a fax machine also have a personal computer. What is the probability that a home has a fax machine or a personal computer? A. .62 B. .52 C. .53 D. .91 E. .09 P(PC) + P(F)-P(F PC) = (.52) + (.10)-(.09) = .53 AACSB: Analytical Studies Bloom's: Application Difficulty: Hard Topic: Probability 1-338 Chapter 01 - An Introduction to Business Statistics 127. In a recent survey of homes in a major Midwestern city, 10% of the homes have a fax machine and 52% have a personal computer. Suppose 91% of the homes with a fax machine also have a personal computer. What is the probability that a home with a personal computer has a fax machine? A. .91 B. .52 C. .10 D. .19 E. .17 P(F|PC) = P(F PC)/P(PC) = .09/.52 = .17 AACSB: Analytical Studies Bloom's: Application Difficulty: Hard Topic: Probability & Conditional 128. In a recent survey of homes in a major Midwestern city, 10% of the homes have a fax machine and 52% have a personal computer. Suppose 91% of the homes with a fax machine also have a personal computer. Are the events "owning a fax machine" and "owning a personal computer" independent? A. Yes, independent B. No, not independent P(PC|F) P(PC) AACSB: Analytical Studies Bloom's: Analysis Difficulty: Hard Topic: Probability & Independence 1-339 Chapter 01 - An Introduction to Business Statistics 129. A batch of 50 parts contains 6 defects. If two parts are drawn randomly one at a time without replacement, what is the probability that both parts are defective? A. 0.014 B. 0.012 C. 0.120 D. 0.102 E. 0.222 (6/50) (5/49) = .012 AACSB: Analytical Studies Bloom's: Application Difficulty: Medium Topic: Probability 130. A batch of 50 parts contains 6 def...
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