What will be the waiting time if another mechanic is added

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Reference no: EM132157641

A mechanic at the Highway Department Garage repairs vehicles that break down at an average of = 3 vehicles per hour. The mechanic can service a vehicle on an average of 15 minutes.

a. What is the utilization rate for this service system?

b. What is the average time before the facility can return a breakdown to service?

c. How much of that time is spent waiting for service?

d. How many vehicles are likely to be waiting for service at any one time?

e. What is the probability that the system is empty?

f. What is the probability that there is more than one vehicle in the system?

g. What will be the waiting time if another mechanic is added?

Reference no: EM132157641

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