4) A lie-detector works correctly with 80% probability when the person is lying, and with 90% probability when the perso

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4) A lie-detector works correctly with 80% probability when the person is lying, and with 90% probability when the perso

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4 A Lie Detector Works Correctly With 80 Probability When The Person Is Lying And With 90 Probability When The Perso 1
4 A Lie Detector Works Correctly With 80 Probability When The Person Is Lying And With 90 Probability When The Perso 1 (11.53 KiB) Viewed 22 times
4) A lie-detector works correctly with 80% probability when the person is lying, and with 90% probability when the person is not. Assume that in a given court, typically 70% of the people who have to be tested with the lie detector do not say the truth. On the long run, which percentage of time does the lie detector make a mistake.
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