Consider the following scenario. An athlete who uses steroids will test positive with probability 0.9. An athlete who does not use steroids will test positive with probability 0.05. Assume that 10% of all athletes use steroids. What is the probability that an athlete will test positive?

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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Consider the following scenario. An athlete who uses steroids will test positive with probability 0.9. An athlete who does not use steroids will test positive with probability 0.05. Assume that 10% of all athletes use steroids.

What is the probability that an athlete will test positive?

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