Customers arrive at a video rental desk at the rate of one per minute (exponential interarrival times). Each server can handle 0.5 customers per minute (exponential service times). If there are 6 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) 0.86

Answer rating: 100% (QA)

ANSWER D is the correct answer 068 In mny queuing mdels its fr ssumed tht the ... View the full answer