Mathematics, 09.10.2019 21:10 jaylanwest12

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.

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The university police department must write, on average, five tickets per day to keep department rev...