Mathematics, 05.10.2019 05:00 juelchasse

Anew test has been developed to detect a particular type of cancer. the test must be evaluated before it is put into use. a medical researcher selects a random sample of 2,000 adults and finds (by other means) that 1% have this type of cancer. each of the 2,000 adults is given the test, and it is found that the test indicates cancer in 99% of those who have it and in 2% of those who do not.
a) what is the probability of a randomly chosen person having cancer given that the test indicates cancer?
b)what is the probability of a person having cancer given that the test does not indicate cancer

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