Question: 7. Give the formula for calculating a. the expected number of customers in the system b. the expected number of customers in the queue

7. Give the formula for calculating –

a. the expected number of customers in the system

b. the expected number of customers in the queue

c. average waiting time of a customer in the system

d. average waiting time of a customer in the queue

e. optimum value of the service rate (μ)

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