Question: Find the positive predictive value for the test. That is, find the probability that a subject has hepatitis C, given that the test yields a

Find the positive predictive value for the test. That is, find the probability that a subject has hepatitis C, given that the test yields a positive result. Does the result make the test appear to be effective?

Refer to the accompanying table showing results from a Chembio test for hepatitis C among HIV-infected patients (based on data from a variety of sources).

Positive Test Result 335 Negative Test Result Hepatitis C 10 1153 No

Positive Test Result 335 Negative Test Result Hepatitis C 10 1153 No Hepatitis C 2

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