Question: 6. The computer lab has a help desk that helps students with spreadsheet assignments. On average,15 students arrive per hour at the help desk. The

6. The computer lab has a help desk that helps students with spreadsheet assignments. On average,15 students arrive per hour at the help desk. The standard deviation of inter-arrival times is 4minutes. The help-desk can help 20 students in an hour. The standard deviation of service time is1.5 minutes. Compute the following,(a) The utilization of the help-desk(b) The average number of students waiting in line(c) The average number of students in the system(d) The average time a student spends waiting in line(e) The average time a student spends in the system.

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