2. Frank Underwood is able to install new mufflers for his customers needing this service arrive at theshop. Frank Underwood uses three workers for his work, i.e., m=3. All the workers have same servicerate. The hourly service rate of an individual worker and the hourly arrival rate of the gustomers canbe obtained from the equation. x- x² – 69x+189 = 0. It is known that the hourly service rate of anindividual worker is less than the hourly customer arrival rate. The process follows assumptions ofM/M/m model. Now answer the following questionsa) What is the average time a customer spends waiting in the queue (W (in hours)?b) What is the utilization rate (p)

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2. Frank Underwood is able to install new mufflers for his customers needing this service arrive at the shop. Frank Underwood uses three workers for his work, i.e., m=3. All the workers have same service rate. The hourly service rate of an individual worker and the hourly arrival rate of the gustomers, can be obtained from the equation. x - x2 – 69x+189 = 0.It is known that the hourly service rate of an individual worker is less than the hourly customer arrival rate. The process follows assumptions of M/M/m model. Now answer the following questions a) What is the average time a customer spends waiting in the queue (W (in hours)? b) What is the utilization rate (p)