d) When a test for steroids is given to cyclists, 98% of the cyclists taking steroids test positive and 12% of the cyclists not taking steroids test positive. Suppose that 5% of the cyclists take steroids. What is the probability that a cyclist who tests positive takes steroids?

d) When a test for steroids is given to cyclists, 98% of the cyclists taking steroids test positive and 12% of the cyclists not taking steroids test positive. Suppose that 5% of the cyclists take steroids. What is the probability that a cyclist who tests positive takes steroids?

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...

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Question

d) When a test for steroids is given to cyclists, 98% of the cyclists taking steroids test positive
and 12% of the cyclists not taking steroids test positive. Suppose that 5% of the cyclists take
steroids. What is the probability that a cyclist who tests positive takes steroids?

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