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Suppose the Probability of an Athlete Taking a Certain Illegal

Question 281

Multiple Choice

Suppose the probability of an athlete taking a certain illegal steroid is 10%. A test has been developed to detect this type of steroid and will yield either a positive or negative result. Given that the athlete has taken this steroid, the probability of a positive test result is 0.995. Given that the athlete has not taken this steroid, the probability of a negative test result is 0.992. Given that a positive test result has been observed for an athlete, what is the probability that they have taken this steroid?


A) 0.0995
B) 0.9928
C) 0.9552
D) 0.9325

Correct Answer:

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