Textbook ExpertVerified Tutor
29 Oct 2021
Given information
Given, 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. And X = the number of calls received at noon. Then we have to find the mean and standard deviation of X.
Step-by-step explanation
Step 1.
According to the given information, X follows the Poisson distribution with parameter 5.5. i.e
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