The Quick Snap photo machine at the Lemon County bus station takes three snapshots in exactly 75 seconds. Customers arrive at the machine according to a Poisson distribution at the mean rate of 26 per hour. On the basis of this information, determine the following.

(a) Determine the average number of customers waiting to use the photo machine. (Round your answer to four decimal places.)

_____

(b) Determine the average time (in minutes) a customer spends using the system. (Round your answer to four decimal places.)

____minutes

(c) Determine the probability an arriving customer must wait for service. (Round your answer to four decimal places.)

______