The table below displays results from experiments with polygraph instruments. Find the positive predictive value for the test. That is, find the probability that the subject lied, given that the test yields a positive result. Did the Subject Actually Lie? No (Did Not Lie) Yes (Lied) Positive test results 12 45 Negative test results 31 9 The probability is. (Round to three decimal places as needed.)

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4.3.19
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The table below displays results from experiments with polygraph instruments. Find the positive predictive value for the test. That is, find the probability that the subject
lied, given that the test yields a positive result.
Did the Subject Actually Lie?
No (Did Not Lie)
Yes (Lied)
Positive test results
12
45
Negative test results
31
9.
The probability is :
(Round to three decimal places as needed.)
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Transcribed Image Text:4.3.19 Question Help The table below displays results from experiments with polygraph instruments. Find the positive predictive value for the test. That is, find the probability that the subject lied, given that the test yields a positive result. Did the Subject Actually Lie? No (Did Not Lie) Yes (Lied) Positive test results 12 45 Negative test results 31 9. The probability is : (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer. Clear All Check Answer All parts showing MacBook DII DD 80 000 000 F11 F12 F9 F10 =2 F5 F6 F7 F8 F3 F4 # $ & * ( %3D 5 6 7 8
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