Refer to the sample data for polygraph tests shown below. If one of the test sub

Question

Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly selected, what is the probability that the subject is not lying? Is the result close to the probability of 0.43 for a negative test result?

Did the Subject Actually Lie?

No (Did Not Lie)   Yes (Lied)

Positive test results 10 47

Negative test results 33 10

The probability that a randomly selected polygraph test subject was not lying is____.

(Type an integer or decimal rounded to three decimal places as needed.)

Explanation / Answer

P(not lyting)=43/100 =0.43

negative test result=0.43

Yes it is close.

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