Question

44. Little's formulae is
(A) Ls = 0 WS
(B) Ls = WS
(C) Ls = 0
(D) none of these
45. Which one is arrival rate
(A)
(B) U
(CO
(D) none of these
46. Average waiting time of a customer in the queue is
(A) 1/ (4-0)
(B) O WS
(C) Ls WS
(D) none of these
47. idle time of the machine
(A) 1 - 0/u
(B) 1/ (4-0)
(C) U - 1
(D) none of these
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Answer 1

Answer:

Very hard sorry not easy