Mathematics, 17.10.2019 05:30 novarosell

Afederal report finds that lie detector tests given to truthful persons have probability about 0.2 of suggesting that the person is deceptive. a company asks 12 job applicants about theft from previous employers, using lie detector to assess their truthfulness. suppose that all 12 answer truthfully. what is the probability that the lie detector says all 12 are truthful? what is the probability that lie detector says at least 1 is deceptive?

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