作者hata506 (真夏的聖誕節)
看板Statistics
標題[問題] 證明分配
時間Wed Oct 19 13:34:30 2005
let { Xn , n = 1, 2, ..... } be a set of iid Exp(λ) random variables,
and let N be an independent G(p) random variable.
Show that Z = X_1 + X_2 + ... + X_N
is an Exp(λp) random variable.
拜託各位大大了
--
wanna see your face with a very big smile
everyday...*^___________^*
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 61.57.74.100