Question

Vehicle arrives at Petrol pump with mean rate of 30 per hour. The time required to serve a customer has an exponential distribution with mean of 90 seconds. Find the following:Probability that Server is busy, Probability that vehicle should not wait, Average waiting time of customer, Average number of customer in the system, Average queue length?

Answer 1

In this case, arrival rate lambda is 2 per minute. This also means that the average time between two arrivals is ½ minute; we call this ... We have a simple table to find this value

Answer 2

Arrival is required in this case