hi, i need help with this one,
by using Moment-generating function, show that : thanks to all!
Last edited by adirh; Mar 11th 2009 at 03:49 AM.
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I'm not sure what the MGF has to do with this.
If you compare the two densities you can see that the Chi-Square is a particular gamma.
You can do the same thing with the MGFs, if you wish.
Hello, Originally Posted by adirh hi, i need help with this one,
by using Moment-generating function, show that : thanks to all! has the MGF has the MGF
so has the MGF
and this is the same as above
first of all thanks for helping!
the MGF for the gamma distribution (according to wikipedia) is:
and not as you mentioned...
and in this case the equaliy holds only for
and not as asked..
how can i solve this??
There's sometimes a problem, as to know whether the second parameter of the Gamma distribution is or
From the book I have, it said that the MGF is like I wrote above.
So now it depends on how your teacher usually defines the second parameter.
Oh... my lecturer (she's not a teacher ) uses my version of the MGF,
so any ideas on how to solve it this way???
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