question archive The local police department must write, on average, 5 tickets a day to keep department revenues at budgeted levels
The local police department must write, on average, 5 tickets a day to keep department revenues at budgeted levels
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The local police department must write, on average, 5 tickets a day to keep department revenues at budgeted levels.
a. What is the probability that no ticket is written on a day?
b. What is the probability that no more than 5 tickets are written on a day?
c. What are the mean and the variance of the number of tickets per day?
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