Business Studies, asked by simaplanbornface, 1 year ago

Arrivals at a telephone booth are considered to be Poisson, with an average time of 10 minutes between one arrival and the next. The length a phone call is assumed to be distributed exponentially, with mean 3 minutes.
a. What is the probability that a person arriving at the booth will have to wait?
b. What is the average length of the queues that form from time to time?
c. The telephone company will install a second booth when convinced that an arrival would expect to have to wait at least three minutes for the phone. By how much must the flow of arrivals be increased in order to justify a second booth.

Answers

Answered by ctannush

0

Answer:

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