Question 4 10 pts 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. Find the mean and standard deviation of X O mean = 5.5 and SD = 2.3452 O mean = 2.25 and SD = 2.3452 O mean = 4.5 and SD = 3.3452 O mean = 3.3452 and SD = 2.3452Question 5 2.5 pts 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. What is the probability that the office receives at most six calls at noon on Monday? O 0.6860 O 0.8660 O 0.6068 O 0.0866