Recent content by mekhi

sorry, I've now worked it out. I used the summation instead of the integral. i hope this is correct. thanks

Homework Statement f(x) = (1-p)+pe^-lamdba ; x=0 = [p(e^-lambda)lambda^x]/x! ; x = 1, 2, ... = 0 ; otherwise Homework Equations show that f(x) is a valid probability function The Attempt at a Solution I think I am supposed to integrate...