A truth serum given to a suspect is known to be 90% reliable when the person is guilty and 99% reliable when the person in innocent. If the suspect was selected from a group of suspects of which only 95% have never committed a crime and the serum indicates that he is guilty, what is the probability that he is an innocent?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A truth serum given to a suspect is known to be 90% reliable when the person is guilty and 99% reliable
when the person in innocent. If the suspect was selected from a group of suspects of which only 95%
have never committed a crime and the serum indicates that he is guilty, what is the probability that he is
an innocent?
Transcribed Image Text:A truth serum given to a suspect is known to be 90% reliable when the person is guilty and 99% reliable when the person in innocent. If the suspect was selected from a group of suspects of which only 95% have never committed a crime and the serum indicates that he is guilty, what is the probability that he is an innocent?
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