Pre-Employment Drug Screening. In Exercise, use the test results summarized in Table 1, reproduced here. Consider an event to be “unlikely” if its probability is 0.05 or less.
Pre-Employment Drug Screening If 3 of the 1000 test subjects are randomly selected, find the probability that they all had false negative results. Is it unlikely to randomly select 3 subjects and get 3 results that are all false negative results?
a. Assume that the 3 selections are made with replacement.
b. Assume that the 3 selections are made without replacement.