In an M/M/1 queueing system, the arrival rate is 5 customers per hour and the service rate is 7 customers per hour. a. What is the utilization? Note: Round your answer to 3 decimal places. Utilization b. What is the expected number of customers in the system (L)? Note: Round your answer to 3 decimal places. Expected number of customers c. What is the expected waiting time in the system (W)? Note: Express the waiting time in hours, round your answer to 3 decimal places. Expected waiting time d. What is the expected number of customers in the queue (Lq)? Note: Round your answer to 3 decimal places. Expected number of customers On a toll road, there are 7 lanes for drivers to pay their toll. Customer interarrival times are random, with an exponential distribution. Service times are random, with an exponential distribution. What is the proper description for this queueing system. Proper description In an M/M/ queueing system, the arrival rate is 5 customers per hour and the service rate is 7 customers per hour. Note: Round your answers to 3 decimal places. a. What is the probability that the server will be idle? Probability b. What is the probability of having exactly 3 customers in the system? Probability c. What is the probability of having 2 or fewer customers in the system? Probability