Question: There are 3 servers in the checkout area. The interarrival time of customers is 4 minutes. The processing time is 10 minutes. The coefficient of
There are 3 servers in the checkout area. The interarrival time of customers is 4 minutes. The processing time is 10 minutes. The coefficient of variation for the arrival process is 1 and the standard deviation of the processing times is 20 minutes. What is the average number of customers that are waiting?
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