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October 20, 2014

Homework Help: tats

Posted by Help please! on Sunday, February 6, 2011 at 1:49pm.

No(Did not lie) Yes(lied)
positive test result 15(false positive) 42(true positive)
negative test result 32(true negative) 9 (false negative)

Refer to table and assume that one of the 98 test subjects is randomly selected. Find the probability of selecting a subject with a negative test result, given that the subject lied. WHat does this result suggest about the polygraph test?

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