Question: A small town with one hospital has two ambulances. Requests for an ambulance during week-day mornings average .8 per hour and tend to be Poisson.

A small town with one hospital has two ambulances. Requests for an ambulance during week-day morning’s average .8 per hour and tend to be Poisson. Travel and loading/unloading time averages one hour per call and follows an Exponential distribution. Find:
a. Server utilization.
b. The average number of patients waiting.
c. The average time patients wait for an ambulance.
d. The probability that both ambulances will be busy when a call comes in.

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