Firms are increasingly asking applicants to submit to drug tests.Suppose that drug tests can identify a drug user 98% of the time.However,1% of the time the test indicates a positive result although the applicant is not a drug user.If 10% of all applicants are drug users,what is the probability that a person who has tested positive for drug use is not really a drug user?

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The Answer of Firms are increasingly asking applicants to submit to drug tests.Suppose that drug tests can identify a drug user 98% of the time.However,1% of the time the test indicates a positive result although the applicant is not a drug user.If 10% of all applicants are drug users,what is the probability that a person who has tested positive for drug use is not really a drug user?

Firms Are Increasingly Asking Applicants to Submit to Drug Tests