Question:-
If average arrival rate in a queue is 6/hr, and the average service rate is 10/hr, which one of the following is the average number of customers in the line, including the customer being served?
Option (A)
0.3
Option (B)
0.6
Option(C)
1.2
Option(D)
1.5
Correct Option:
(D)
Question Solution:
Length of the system Ls = (r / (1-r))
\ r = (l/m) = (6/10) = 0.6
\ Ls = (0.6 / (1-0.6)) = 1.5
question-answer-faq-8894