# Thread: Lognormal distribution's M.G.F?

1. ## Lognormal distribution's M.G.F?

How can I show that the lognormal(0,1) distribution does not have the moment generating function?
Please.

2. Originally Posted by rough19
How can I show that the lognormal(0,1) distribution does not have the moment generating function?
Please.
You could start by looking at the Wikipedia page on the log-normal distribution and if that is not sufficient consider the convergence of the integral defining the mgf

CB