Multiple Choice
Customers filter into a record shop at an average of 1 per minute (exponential interarrivals) where the service rate is 15 per hour (exponential service times) .
-What is the minimum number of servers needed to keep the average time in the system under 6 minutes?
A) 2
B) 3
C) 4
D) 5
E) 6
Correct Answer:

Verified
Correct Answer:
Verified
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