1. Preview queuing system in PT XYZ is a queuing system with a multiple channels queue.
The waiting time
average is very long before bandols being served, having to wait start from 03.00 p.m. the previous day. The
waiting time in the queue is 0.003 minutes, service time within a fairly short queue that is of 2.877 minutes in the
system, the length of queue is 0.0006 unit in service equivalent of 1 unit, long queues in the system is 0.6059
units equivalent of 1 units