The Riverton Post Office has four stations for service. Customers line up in single file for service on a FIFO basis. The mean arrival rate is 40 per hour, Poisson distributed, and the mean service time per server is 4 minutes, exponentially distributed. Compute the operating characteristics for this operation.
Indicate whether the operation appears to be satisfactory in terms of the following:
(a) Postal workers’ (servers’) idle time;
(b) Customer waiting time and/or the number waiting for service; and
(c) The percentage of the time a customer can walk in and get served without waiting at all.

  • CreatedJuly 17, 2014
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