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

Results 1 to 10 of 10

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

- Joined
- Nov 2008
- Posts
- 121

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

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

- Joined
- Nov 2008
- Posts
- 121

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

- August 8th 2009, 12:27 AM #5

- August 8th 2009, 06:49 AM #6

- Joined
- Nov 2008
- Posts
- 121

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...

- August 8th 2009, 06:55 AM #7

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

- Joined
- Nov 2008
- Posts
- 121

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

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

- Joined
- Nov 2008
- Posts
- 121