Telephone calls arrive at the rate of 48 per hour at the reservation desk.

A.)Suppose that no calls are currently on hold. if the agent takes 5 minutes to complete processing the current call, how many callers do you expect to be waiting by that time?

B.)What is the possibility that no one is waiting?

C.)If no calls are currently being processed, what is the probability that the agent can take 3 minutes for personal time without being interrupted