Question: Lastyear, a person wrote 115 checks. Let the random variable x represent the number of checks he wrote in oneday, and assume that it has

Lastyear, a person wrote 115 checks. Let the random variable x represent the number of checks he wrote in oneday, and assume that it has a Poisson distribution. What is the mean number of checks written perday? What is the standarddeviation? What is the variance? (Round to three decimal places asneeded.)

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