The operations department will install 5 new copiers. Professors whowant to use the copiers arrive at the rate of 41 per hour. Thecoefficient of variation of the inter-arrival times is 2. If all four copiers are busy, the professors will wait until a copier isavailable. The average copier usage time for each professor is 152 seconds.The standard deviation of the usage times is only 20 seconds. On average, how many professors are waiting to use a copier? Report your