The scheduling manager for certain hydro-power utility company knows that there're average of 12 emergency calls about power failures per month. Suppose that a month includes 30 days.
a. Compute the probability that the company will receive exactly 10 emergency calls during a specified month.
b. Compute the probability that the company will receive at least 1 emergency call in a given day. c. Suppose the utility company can handle a maximum of 2 emergency calls per day. What is the probability that there will be more emergency calls than the company can handle on a given day?