question_answer

In a M/M/I queuing system, expected waiting time of a unit that actually waits is given y?

A) \[\frac{\lambda }{{{\mu }^{2}}(\mu -\lambda )}\]                     

B) \[\frac{\lambda }{\mu -\lambda }\]

C) \[\frac{1}{\mu -\lambda }\]                    

D) \[\frac{\lambda }{{{\mu }^{2}}(\mu -\lambda )}\]