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What is the probability he or she is a steroid user

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Reference no: EM132649020

Suppose a steroid test is 81% sensitive and 94% specific. That is, the test will produce 81% true positive results for steroid users and 94% true negative results for non-steroid users. Suppose that 3.0% of people are steroid users. If a randomly selected individual tests negative, what is the probability he or she is a steroid user?

YOUR ANSWER SHOULD BE BETWEEN 0 AND 100 AND ROUNDED TO 4 DECIMAL PLACES. (e.g. 59.5321 would be 59.5321%)

Reference no: EM132649020

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