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Problem 9.3. In a departmental store one cashier is there to serve the customers. And the customers pick up their needs by themselves. The arrival
Problem 9.3.
In a departmental store one cashier is there to serve the customers. And the customers 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 Poisson arrival rate and exponential distribution for service rate,
find:
(a) Average number of customers in the system.
(b) Average number of customers in the queue or average queue length.
(c) Average time a customer spends in the system.
(d) Average time a customer waits before being served.
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