Arrivals of cars at Engen Filling Station (Bagatelle) are considered to be Poisson distribution with an average time of 7 minutes between one arrival and the next. The length of filling petrol is assumed to be distributed exponentially, with an average time of 5 minutes.
(1) What is the average length of non-empty queue that forms from time to time?
(2) The Management of Engen has decided to install a second petrol pump and expected that a client would expect waiting for at least 20 minutes for service. By how much should the flow of motor vehicle arrival increase to justify a second pump?
(3) As Bagatelle is a crowd puller, the Management of Engen has decided to install a third petrol pump with the expectation that a client would have to spend 25 minutes awaiting and being served at the station. By how much should the flow of motor vehicle arrival increase to justify a third pump?
Answers
Answered by
3
Answer:
Yr old ones to be able y to e the following log a couple r worth it to be there for you regarding the following rational numbers are the same as the following rational numbers with the decimal
Similar questions