Average number of customers waiting for check-out counter

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Reference no: EM132270702

A grocery store has four check-out counters. The average service rate for each check-out counter is 20 customers per hour. The average arrival rate is 68 customers per hour. Assuming it is a multiple-server waiting line model; determine the average number of customers waiting for a check-out counter and the average time a customer must wait for a check-out counter. What is the probability that there will be 5 customers in the system?

Note: Use QM for Windows to answer this question. Include the results from QM for Windows with your submission.

Reference no: EM132270702

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