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. b. What is the expected number of customers in the system (L)? Note: Round your answer to 3 decimal places. 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. d. What is the expected number of customers in the queue (Lq)? Note: Round your answer to 3 decimal places. e. What is the expected waiting time in the queue (Wq) ? Note: Express the waiting time in hours, round your answer to 3 decimal places