Question No. 1: Consider the queuing system in which exponentially distributed mean inter-arrival rate is 0.1 per minutes and the exponentially distributed mean service rate is 0.125 per minutes, single server, infinite queue capacity and infinite population of potential arrivals.
a. Find average waiting time customer in the queue =
b. Find average number of customers in the queue =
c. Find average time customer spends in the system =
d. Find average number of customers in the system =