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4 6 Poisson 117 The switchboard in a Minneapolis law office gets an average of...

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4 6 Poisson 117 The switchboard in a Minneapolis law office gets an average of 5 5 incoming phone calls during the noon hour on Mondays Experience shows that the existing staff can handle up to six calls in an hour Let X the number of calls received at noon a Find the mean and standard deviation of X b What is the probability that the office receives at most six calls at noon on Monday c Find the probability that the law office receives six calls at noon What does this mean to the law office staff who get on average 5 5 incoming phone calls at noon d What is the probability that the office receives more than eight calls at noon with an average of 60

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