Question: Consider the following M/M/1 queueing system.The average arrival rate is 15 customers per hour, and the average service rate is 20 customers per hour.The cost

Consider the following M/M/1 queueing system.The average arrival rate is 15 customers per hour, and the average service rate is 20 customers per hour.The cost of waiting in the system is $30 per hour per customer. Use Excel to calculate the following system operating characteristics.

a) Utilization

b) Average time spent waiting in line.

c) Average time spent in the system.

d) Average number of customers in line.

e) The average total cost of waiting in the system for one hour.

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