A single server queuing system has an average service time of 12 minutes per customer, which is exponentially distributed. The manager is thinking of converting to a system with a constant service time of 12 minutes. The average arrival rate will remain the same. The effect will be to Select one: a. cut the average waiting time in the system in half. b. cut the average number of customers waiting in line in half c. All the options are correct. d. cut the average waiting time in half. e. double the utilization Clear my choice