Thread: Problem 1.9 View Single Post
#9
03-16-2017, 10:36 AM
 k_sze Member Join Date: Dec 2016 Posts: 12
Re: Problem 1.9

Quote:
 Originally Posted by k_sze So I did end up using moment generating function. And I think the answer to (c) is , using calculus. But now I'm stuck at (d). Directly substituting is probably wrong? Because can be simplified to the point where no logarithm appears (unless I made a really big mistake).
*sigh*

I did end up getting by substituting for , but only after simplifying all the way down, until there is no more or , otherwise I get two powers of 2 with no obvious way to combine them.

So now the remaining hurdle is to prove that .

Yay