3. A flu shot clinic has three nurses. A person wishing to take the flu shot arrives every 3 minutes, on average. The average rate to give the flu shot is 8 per hour. Assuming it is a multiple-server waiting line model; determine the average number of persons waiting for the flu shot and the average time a person must wait for the flu shot. What is the server utilization? What is the probability that there will be more than 4 persons waiting in the system?

Note: Use QM for Windows to answer this question.

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