. The reliability of a test for a skin disease SD is as follows: If the subject h positive 98% of the time. If the subject does not have SD, the test is negative From a large population in which 0.3% of people have SD, a person is selecte given the test, which comes back positive. What is the probability that th

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3. The reliability of a test for a skin disease SD is as follows: If the subject has SD, the test is
positive 98% of the time. If the subject does not have SD, the test is negative 99% of the time.
From a large population in which 0.3% of people have SD, a person is selected at random and
given the test, which comes back positive. What is the probability that the person actually
has SD?
Transcribed Image Text:3. The reliability of a test for a skin disease SD is as follows: If the subject has SD, the test is positive 98% of the time. If the subject does not have SD, the test is negative 99% of the time. From a large population in which 0.3% of people have SD, a person is selected at random and given the test, which comes back positive. What is the probability that the person actually has SD?
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