What percentage of the time is the counter person idle

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Students arrive at the student services counter at an average of one every 15 minutes. Each request takes on average 12 minutes to be processed. The counter is staffed by only one person and that person works six hours per day. Assume Poisson arrivals and exponential service times.

1.What percentage of the time is the counter person idle?

2.How much time, on average, does a student spend waiting in line?

Reference no: EM1391777

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