Question: 24. Probability of a Wrong Result Table 4-1 shows that among 122 subjects who did use marijuana, the test result for marijuana usage was wrong

24. Probability of a Wrong Result Table 4-1 shows that among 122 subjects who did use marijuana, the test result for marijuana usage was wrong 3 times.

a. Based on the available results, find the probability of a wrong test result for a person who does use marijuana.

b. Is it “unusual” for the test result to be wrong for those using marijuana?

Constructing Sample Space. In Exercises 25–28, construct the indicated sample space and answer the given questions.

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