Question
Polygraph tests have an accuracy rate of about 85%. This means that it will detect 85% of people who lie and 85% of people who
Polygraph tests have an accuracy rate of about 85%. This means that it will detect 85% of people who lie and 85% of people who are telling the truth. A company of 6000 employees has everyone submit to a polygraph test. It turns out there are 60 employees who will lie during their polygraph. (Hint: Tests Positive means they are lying!) .
If someone does pass their polygraph test, what is the probability they told the truth?
(Round your probability to the nearest tenth of a percent!)
Express your answer rounded correctly to the nearest tenth of a percent.
Probability =%
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