# Math Help - Distribution Theory

1. ## Distribution Theory

I need some help on below question. I do not know where to start!!

Find the expected value of X where X is a random variable which follows a noncentral chi square distribution with n degrees of freedom and noncentrality parameter "delta"

2. Originally Posted by JacquesRoux
I need some help on below question. I do not know where to start!!

Find the expected value of X where X is a random variable which follows a noncentral chi square distribution with n degrees of freedom and noncentrality parameter "delta"
Did the link I gave you in this thread help. An easy way is to use the moment generating function.