01-2017ISPIOnline April 17 April 23 Chapter 11 Homework Question 1 Model: M/M/1

Question

01-2017ISPIOnline April 17 April 23 Chapter 11 Homework Question 1 Model: M/M/1 if the expected number of arrivals per hour into the queue is 6.2 and the average number of customers served is 19.7 per Not yet hour, then calculate the expected number of customers in the system. Please round to two decimal places. answered Points out of Answer FFlag question Model: M/M/1 Question 2 the average number of customers arriving into the queue is 19.49 per hour and the average number of customers served Not yet per hour is 20.76, find the expected waiting time in the queue excluding service time. Round to two decimal places. answered Points out of 10.00 Flag question Next page You are logged in as Jayson Hinkle (Log out) MGT 340/LECTIOC01-2017/SPAOnline

Explanation / Answer

A) arrivals and service are two totally independent processes. Hence expected number of customes in the system would be (6.2 - 19.7) = -13.5 Negative. Means expected number pf customes will be zero. System will have no customes for some period withhin an hour.

B) 19.49 - 20.76 = - 1.27 very less difference.

means expected wauting time should be your position in the queue in a window of 20 customer

if you are at xth position. waiting time = (60/21.76) * x minutes

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