Multiple Choice
Customers arrive at a video rental desk at the rate of one per minute (exponential interarrival times) . Each server can handle 0.4 customers per minute (exponential service times) .
If there are 4 servers, what is the probability of three or fewer customers in the system?
A) 0.19
B) 0.23
C) 0.63
D) 0.68
E) 0.79
Correct Answer:

Verified
Correct Answer:
Verified
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