The poisson process P(narrivalsinintervalT)-(Te-7 n number of arrivals in t It can be shown that E[]=T En]=AT +T). 02=El(n-E(OJ)2 ]=En21-E[n]=ATEytan Modiano Slide 5 The Poisson Process P(narrivalsinintervalT) = − ( ) ! λ λ T e n n T n = number of arrivals in T It can be shown that, E[n] = T E[n ] = T + ( T) = E[(n -E[n]) ] = E[n ] -E[n] = T 2 2 2 2 22 λ λ λ σ λ