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Mathematics, 06.03.2020 19:29 abby1919
The number of telephone calls that arrive at a phoneexchange is often modeled as a Poisson random variable. Assumethat on the average there are 10 calls per hour. Determine the followingprobabilities:a. exactly 5 calls in one hourb. 3 or fewer calls in one hourc. exactly 15 calls in two hoursd. exactly 5 calls in 30 minutes
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