The university police department must write, on average, five tickets per day to keep
department revenues at budgeted levels. Suppose the number of tickets written per day follows
a Poisson distribution with a mean of 8.9.
Find the probability that exactly four tickets are
written on a randomly selected day.
A) .941567 B) .058433 C) .035656 D) .964344
C
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a. True b. False
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