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marysya [2.9K]
3 years ago
10

A drug testing company advertises a test for steroids that is 92.1% effective at detecting steroid use. It has a true negative e

ffectiveness of 90.6%.
Which statement is true about the 90.6% rate?

A. The probability of someone not using steroids testing positive for steroids is 90.6%.
B. The probability of someone using steroids testing negative for steroids is 90.6%.
C. The probability of someone using steroids testing negative for steroids is 9.40000000000001%.
D. The probability of someone using steroids testing negative for steroids is 90.6%.
E. The probability of someone not using steroids testing positive for steroids is 9.40000000000001%.
Mathematics
2 answers:
ElenaW [278]3 years ago
5 0

<u>Answer:</u>

Option E. The probability of someone not using steroids testing positive for steroids is \bold9.40000000000001\%\bold.

<u>Solution: </u>

The drug company advertises test for steroids is 92.1\%

It has a true negative effectiveness of 90.6\%

The probability of someone not using steroids testing positive for steroids is (100\% - 90.6\%) = 9.4\%

So the Answer is E. The probability of someone not using steroids testing positive for steroids is 9.40000000000001\%.

alexira [117]3 years ago
3 0
The right answer is A
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