Q. Students arrive at Administrative Services Office at an average of 1 every 15 minutes and ir requests take on average 10 minutes to be processed. service counter is staffed by only 1 clerk, Judy Gumshoes, who works eight hours per day. Assume Poisson arrivals and exp1ntial service times.
a. Illustrate what percentage of time is Judy idle?
b. Explain how much time, on average; does a student spend waiting in line?