Answer to Question #331174 in Operations Research for Gush

Question

a departmental store, one cashier is there to serve the customers. And the customer

pick up their needs by themselves.

The arrival rate is 9 customers for every 5 minutes and

the cashier can serve 10 customers in 5 minutes, Assuming Poison arrival rate and

Exponential distribution for service rate,

find

i)

Avetage number of customers in the sestem

id.) Average time a customer spends in the system.

ili) Average number of customers in the queue or average queue length.

iv.) Average time a customer waits before being

served.