In telephone systems the relation between load ρ, number of calls ini – McqOptions

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1.	In telephone systems the relation between load ρ, number of calls initiated during a specified interval λ and average duration of a call (h) is
A.	ρ = λh
B.	ρ = λh²
C.	λ = ρh
D.	h = λρ
Answer» B. ρ = λh²

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