A federal report finds that lie detector tests given to truthful persons have probability 0.2 of suggesting
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A federal report finds that lie detector tests given to truthful persons have probability 0.2 of suggesting that the person is deceptive.11 A company asks 12 job applicants about thefts from previous employers, using a lie detector to assess their truthfulness.
Suppose that all 12 answer truthfully. Let Y = the number of people whom the lie detector indicates are being deceptive.
a. Find the probability that the lie detector indicates that at least 10 of the people are being honest.
b. Calculate and interpret μY.
c. Calculate and interpret σY.
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a The probability that the lie detector indicates that at least 1...View the full answer
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