Neve commercial bank is the only bank in the town of york, pennsylvania. On friday, an average of 10 customers per hour arrived at the bank to transact business. there is one teller at the bank, and the average time required to transact business is 4 minutes. it is assumed that the service time may be described by the negative exponential distribution. a single line would be used, and the customer at the front of the line would go to the first available bank teller. f) Ceo benjamin neve is comsidering adding a second teller( who would work at the same rate as the first) to reduce the waiting time for customers. he assumes that this will cut the waiting time in half. if a second teller is added, the average time a customer spend in the queue is. g) if a second teller is added, the average number of customers in the queue is. h) if a second teller is added, the average time a customer spend in the system is. i) of a second teller is added, the average number of customers in the system is. j) if a second teller is added, the probability that the bank is empty is.