A bank has one drive-in teller (who can serve customers without leaving their cars). The drive-in teller has a room

A bank has one drive-in teller (who can serve customers without leaving their cars). The drive-in teller has a room (i.e., a queue) for one additional customer to wait. Customers arriving when the drive-in teller queue is full will park their cars and go inside the bank to transact business. Inside the bank, the waiting area is sufficient to accommodate all customers, and there is one teller who is as efficient as the drive-in teller in terms of serving the customers. The time-between-arrivals and service-time distributions are given below in tables 1 and 2, respectively.


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