Problem 23BSC

In Exercise, refer to the sample data in Table, which is included with the Chapter Problem. Assume that one of the subjects included in Table is randomly selected.

Pre-Employment Drug Screening Find the probability of selecting someone who uses drugs. Is the result close to the probability of 0.134 for a positive test result?

Solution 23BSC

Hence, the probability of selecting someone who uses drug is 0.05. The probability of selecting someone who uses drug is 0.05 which is not close to the probability of 0.134 for a positive test result.