Would you expect to be correctly diagnosed? Ans: 95 people Out of 5000 people on which this test is used, how many people with cancer Given that a test on a randomly selected person is positive,įind the probability that he/she does have cancer? Ans: 0.393ī. The probability that a randomly selected person has cancer is 0.02.Ī. It gives a positive result 95 % of the time if the person does have cancer,Īnd it gives a positive result 3 % of the time that the person does not. You can put this solution on YOUR website!Ī test to detect cancer is not always reliable. Out of 5000 people on which this test is used, how many people with cancer would you expect to be correctly diagnosed? Ans: 95 people Given that a test on a randomly selected person is positive, find the probability that he/she does have cancer? Ans: 0.393ī. It gives a positive result 95 % of the time if the person does have cancer, and it gives a positive result 3 % of the time that the person does not. Question 1189105: A test to detect cancer is not always reliable. Click here to see problems with only links to answers, all on one page.Become a registered tutor (FREE) to answer students' questions.View all solved problems on Probability-and-statistics - maybe yours has been solved already!.Tutors Answer Your Questions about Probability-and-statistics (FREE)