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. (Answer in 2 decimal places)

Answer: Blank 1



b. Find the standard deviation of X. (Answer in 2 decimal places)

Answer: Blank 2



c. What is the probability that the office receives at most six calls at noon on Monday? (Answer in 4 decimal places)

Answer: Blank 3

Solution : 
solution to your question part (a) and (b) is given below for remaining questions please ask them in separate thread.

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