Use the data in the following table that shows results from a polygraph (lie detector) conducted by researchers Charles R. Honts and Gordon H. Barland. In each case, it was known if the subjects lied...


Use the data in the following table that shows results from a polygraph (lie detector) conducted by researchers Charles R. Honts and Gordon H. Barland. In each case, it was known if the subjects lied or did not lie, so the table indicates when the polygraph was correct.



























Did the subject actually lie?



No (did not lie)



Yes (did lie)



The polygraph test indicated that the subject lied.



15



42



The polygraph test indicated that the subject did not lie.



32



9






  1. If one of the subjects is randomly selected, find the probability of selecting someone who lied.







Jun 02, 2022
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