Students arrive at the Administrative Services Office at anaverage of one every 15 minutes, and their requests take, onaverage, 12 minutes to be processed. The service counter is staffedby only one clerk, Judy Gumshoes, who works eight hours per day.Assume Poisson arrivals and exponential service times.
What percentage of time is Judy idle ?
How long is the (waiting) line, on average (Lq)?
How much time, on average, does a student spend waiting in line(Wq)?
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