Multiple Choice
During the early morning hours, customers arrive at a branch post office at the average rate of 45 per hour (exponential interarrival times) , while clerks can handle transactions on an average of 4 minutes each (exponential) .
What is the average number of customers waiting for service if 6 clerks are used?
A) 0
B) 0.01
C) 0.1
D) 1
E) 10
Correct Answer:

Verified
Correct Answer:
Verified
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