5 Questions
What is the probability that a guilty suspect is properly judged using the truth serum?
90%
What is the probability that a guilty suspect is improperly found innocent using the truth serum?
10%
What is the probability that a service station will pump gas into exactly 2 cars during a certain 30-minute period?
0.18
What is the probability that a service station will pump gas into 5 or more cars during a certain 30-minute period?
0.17
What is the probability that a suspect, selected from a group where only 5% have ever committed a crime, is innocent if the truth serum indicates that he is guilty?
1%
This quiz focuses on truth serum and the probabilities of a service station pumping gas into different numbers of cars. Test your knowledge with these review exercises!
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