Hello,

The MGF of a random variable X is :

For discrete distributions, we have

So here, we have :

Now change the indice so that it starts at k=0 :

And this is just a geometric series

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- Aug 7th 2009, 05:37 AM #1

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- Aug 7th 2009, 06:11 AM #2

- Aug 7th 2009, 11:22 AM #3

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- Aug 8th 2009, 05:49 AM #6

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Thanks for you're help moo and mr f...sorry for double posting Iam quite new to posting the questions and I thought a question about mgf and then the solving of the gp validated another thread...lesson learnt!

Mr f...sorry, X & Y are random and independent...

- Aug 8th 2009, 05:55 AM #7

- Aug 8th 2009, 06:01 AM #8

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- Aug 8th 2009, 06:06 AM #9

- Aug 8th 2009, 06:20 AM #10

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