XTremely Fast Service Inc.

(XTremely Fast Service Inc.) XTremely Fast Service Inc. is a call center with several business units. One of its business units, Fabulous 4, currently staffs four operators who work eight hours per day Monday through Friday. They provide customer support for a mail-order catalog company. Assume customers call Fabulous 4 during business hours and that—on average—a call arrives every 3 minutes (standard deviation of the interarrival time is equal to 3 minutes). You do NOT have to consider any seasonality in this call arrival pattern. If all four staff members are busy, the customer is rerouted