Question: Customers arrive at the computer help desk with the rate of 1/hour (Poisson) to reinstall the software. Each technician can serve 0.40 customers/hour (Poisson). If

Customers arrive at the computer help desk with the rate of 1/hour (Poisson) to reinstall the software. Each technician can serve 0.40 customers/hour (Poisson). If four technicians are used:

a. Compute the average time a customer spends in the queue waiting to install the software.

b. Compute the average time customers spend in the system to reinstall the software.

c. Compute average number of customers waiting to reinstall the software.

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