Homework: Section 4-2 HW ave Score: 0 of 1 pt 9 of 15 (8 complete) HW Score: 59.

Question

Homework: Section 4-2 HW ave Score: 0 of 1 pt 9 of 15 (8 complete) HW Score: 59.26%, 10.67 of 18 pts 4.2.22 g Assigned Media Question Help Refer to the sample data for pre-employment drug screening shown below if one of the subjects is tandomly selected, what s the proubilily hat th test reut false positive? Who would suffer from a false positive result? Why? Pre-Employment Drug Screening Results Positive test result Drug Use Is Indicated 47 20 Negative test result Drug Use Is Not Indicated 14 31 Subject Uses Drugs Subject Is Not a Drug User The probability of a false positive test result is 0 019 Round to three decimal places as needed) a is Enter your answer in the answer box and then click Check Answer of ha Final Chock clearA part remaining they never use a cred t The probability that a randomly selected person uses a credit caro

Explanation / Answer

False positive test result means, the subject is not a drug user but the result of test is positive. In the table, the number of such cases i.e, subject is not a drug user but test reuslt is positive is 20.

So, P(false positive test result) = 20/(47+14+20+31) = 20/112 = 0.179.

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