(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The problem is attached in the pdf

2. Relevant equations

3. The attempt at a solution

I have the solution, I just don't really understand it. In the solution, the author takes the expected value of the negative binomial ( n(1-pi)/pi ) and plugs it into the g'(x) function. Then obviously, if you integrate that, you get the original sinh function, because we defined it that way. I don't get he'd just plug in that function.

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# Homework Help: Stats question regarding negative binomial

Can you offer guidance or do you also need help?

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