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October 24, 2014

Homework Help: Finite Math

Posted by Anonymous on Monday, October 22, 2012 at 11:16am.

A polygraph machine correctly identifies a lie 81% of the time, and incorrectly identifies a true statement as a lie 8% of the time. If a person being examined with the machine lies 10% of the time, what is the probability that a statement identified by the polygraph as a lie is actually true?

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