Arrival rate Service rate Number of servers 18 4 5 Maximum queue length 10 Utilization 86.85% P(0), probability that the system is empty 0.0065 Lq, expected queue length 2.7301 L, expected number in system 7.0729 Wq, expected time in queue 0.1572 W, expected total time in system Probability that a customer waits Probability that a customer balks 0.4072 0.6878 0.0349