Question: Here is the information from a small bank with a single server: An average of 22 customers come to the bank and it takes the

Here is the information from a small bank with a single server: An average of 22 customers come to the bank and it takes the only casher who works at the bank an average of 2 minutes to serve each customer. (a) What is the the average customer arrival rate (a)? (b) What is the average service rate (u)? (C) What is the probability that there is no customer in the bank? (d) What is the average number of customers who are waiting in the bank? (e) What is the average time per customer spent in the bank? (f) If the greedy manger asks the casher to insert bank statements into envelopes when she is not busy (i.e., when there is no customer in the bank) and it takes her one minute to finish one envelope, how many envelopes can she finish during an afternoon of four hours (remember she can do the envelopes only when there is no customer)

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