- #1
tamintl
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Homework Statement
A random variable X has probability generating function gX(s) = (5-4s2)-1
Calculate P(X=3) and P(X=4)
Homework Equations
The Attempt at a Solution
Ehh don't really know where to go with one... I know:
gX(s) = E(sx) = Ʃ p(X=k)(sk)
Nit sure how to proceed..
Any help would be great!
Regards
Tam