The table below shows the results of clinical trials for pre…

The table below shows the results of clinical trials for pregnancy tests.  Pregnancy Test Results   Positive Test Result (Pregnancy is indicated) Negative Test Result (Pregnancy is not indicated) Total Subject is pregnant 80 5 85 Subject is not pregnant 3 12 15 Total 83 17 100 If three results are randomly selected with replacement, what is the probability of getting at least one positive test result?