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A federal report

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A federal report find that a lie detector test given to truthful persons have a probability of 0.2 of suggesting that the person is deceptive. A company asks 12 job applicants to take a lie detect test. Suppose that all 12 applicants answer truthfully.
• What is the probability that exactly one is being deceptive.
• What is the probability that at most one is being deceptive.
• What is the mean and standard deviation of this distribution.

Reference no: EM13154732

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