Question:
Polygraph tests have an accuracy rate of about 85%. This
Last updated: 7/26/2022
Polygraph tests have an accuracy rate of about 85%. This means that it will detect 85% of people who lie and 85% of people who are telling the truth. A company of 5000 employees has everyone submit to a polygraph test. It turns out there are 50 employees who will lie during their polygraph. (Hint: Tests Positive means they are lying!) Complete a table as in your course materials and use it to answer the given question. If someone does pass their polygraph test, what is the probability they told the truth? (Round your probability to the nearest tenth of a percent!) Express your answer rounded correctly to the nearest tenth of a percent. Probability =