Refer to the sample data for pre-employment drug screening shown below. If one o

Question

Refer to the sample data for pre-employment drug screening shown below. If one of the subjects is randomly selected, what is the probability that the test result is a false positive? Who would suffer from a false positive result? Why? Pre-Employment Drug Screening Results Positive test result Negative test result Drug Use Iis Indicated Drug Use Is Not Indicated Subject Uses Drugs Subject Is Not a Drug User 38 15 29 The probability of a false positive test result is (Round to three decimal places as needed.)

Explanation / Answer

probability of false positive =P(subject not uses drugs and test positive)/P(subject not uses drugs)

=15/(15+29)=0.3409

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