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"

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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"

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Did the link I gave you in this thread help. An easy way is to use the moment generating function.