3. A particular HIV test gives a positive result in 99% of the cases in which the person has HIV. This same test gives a negative result in 99% of the cases in which the person does not have HIV. Assume that the true probability of having HIV for all people who take this test is 4%. What is the probability the individual does not have HIV, given that the test result is positive? 96 A W. HIV .04 HIV .99\-01 .99.01 Correct Wrong Correcturong CONTA -1 〃 P(Wo His A Wrong) = -96.01 = .0096 = .96% ALT FN E CTR +

3. A particular HIV test gives a positive result in 99% of the cases in which the person has HIV. This same test gives a negative result in 99% of the cases in which the person does not have HIV. Assume that the true probability of having HIV for all people who take this test is 4%. What is the probability the individual does not have HIV, given that the test result is positive? 96 A W. HIV .04 HIV .99\-01 .99.01 Correct Wrong Correcturong CONTA -1 〃 P(Wo His A Wrong) = -96.01 = .0096 = .96% ALT FN E CTR +

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 15CR

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