Multiple Choice
The average length of time that a customer waits in line for service is where y is the average arrival rate, written as the number of customers per unit of time, and x is the average service rate, written in the same units. Evaluate
. Note: x and y are given as the number of customers per hour.
A) 7 min
B) 5 min
C) 3 min
D) 4 min
E) 6 min
Correct Answer:

Verified
Correct Answer:
Verified
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