Mathematics, 05.10.2019 02:20 YourFinalsAreHere
The number of telephone calls that arrive at a phone exchange is often modeled as a poisson random variable. assume that on the average there are 10 calls per hour. (a) what is the probability that there are exactly 5 calls in one hour? (b) what is the probability that there are 3 or fewer calls in one hour? (c) what is the probability that there are exactly 15 calls in two hours? (d) what is the probability that there are exactly 5 calls in 30 minutes?
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