The MVD employs five representative to help customers renew…
The MVD employs five representative to help customers renew their driver’s licenses. Suppose that, on average, a customer arrives every 3 minutes and that it takes a representative an average of 12 minutes to assist her/him. Both inter-arrival and activity times are exponentially distributed. The state estimates that each minute a customer has to wait costs $1 in lost productivity. If the average queue length is 2.3 customers, what is the average time a customer is on hold?
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