Compute Probabilities of a Poisson Random Variable

question 66

Multiple Choice

Compute Probabilities of a Poisson Random Variable
-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 5.2 tickets per day. Find the probability that exactly nine tickets are written on a randomly selected day from this distribution.

• A) 0.042261
• B) 0.001393
• C) 0.000945
• D) 0.000031

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