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Title: Customers enter the waiting line to pay for food as they leave a cafeteria on a first-come, ... Post by: Cyco on Dec 18, 2017 Customers enter the waiting line to pay for food as they leave a cafeteria on a first-come, first-served basis. The arrival rate follows a Poisson distribution, while service times follow an exponential distribution. If the average number of arrivals is four per minute and the average service rate of a single server is seven per minute, what proportion of the time is the server busy?
A) 0.43 B) 0.57 C) 0.75 D) 0.25 E) 0.33 Title: Re: Customers enter the waiting line to pay for food as they leave a cafeteria on a first-come, ... Post by: somchaip on Dec 18, 2017 Content hidden
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