Negative Binomial Distribution Problem

mooshupork34

Junior Member
Joined
Oct 29, 2006
Messages
72
I'm not sure how to go about this problem. Any help would be very much appreciated!:

Find the generating function for the negative binomial distribution below:

P(x=k) = (k-1 choose r-1) p^r * (1-p)^(k-r)
 
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