Question: A bank has 5 tellers. Each transaction is exponentially distributed with a mean of 5 minutes per customer. Customers arrive according to a Poisson distribution

A bank has 5 tellers. Each transaction is exponentially distributed with a mean of 5 minutes per customer. Customers arrive according to a Poisson distribution with a mean of 30 customers per hour. Calculate the performance of the system and recommend a course of action. Recompute the operating characteristics assuming the improvement has been implemented.

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