Recent content by suuperhiroo

im sorry. I didnt put the question. I am asked to : Find the the cdf of X1+ X2...XN

I am have trouble with a question, and how exactly each given part of this question relates to getting the answer. [b]1. The problemb] Assume that N,X1, X2...are independent. Let P(N = k) = qk-1p , k\geq1, p+q = 1 and let X1,X2,X3,...be iid with a common pdf f(x)...