how do I show that

i)

ii)use the mgf to find the mean and variance of X and

iii) find P(X + Y = 2)?

I'm lost with mgf's, I've searched the web but just definitions are given so I'm hoping to find examples

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- Aug 7th 2009, 06:37 AM #1

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- Aug 7th 2009, 07:11 AM #2

- Aug 7th 2009, 12:22 PM #3

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- Aug 8th 2009, 12:23 AM #4

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- Aug 8th 2009, 06:49 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, 06:55 AM #7

- Aug 8th 2009, 07:01 AM #8

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- Aug 8th 2009, 07:06 AM #9

- Aug 8th 2009, 07:20 AM #10

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