bbr4in
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 Apr 20 awarded Popular Question Sep 14 awarded Popular Question Jul 2 awarded Curious Mar 15 asked probability generating function with die Mar 11 comment Find reduction formula using integration by parts I don't understand how you've got from the second line to the third line which begins to look like the result needed. Mar 11 comment Reduction formula Integrating by parts twice for the second part seems difficult. Mar 10 comment Find reduction formula using integration by parts @anorton I haven't done anything really. Mar 10 asked Find reduction formula using integration by parts Mar 10 asked Reduction formula Mar 10 asked f(a) = inverse of a is an isomorphism iff a group G is Abelian Feb 10 comment CDF and conditional probability I seem to get $$\int_0^{\infty} \lambda e^{tx-t\lambda} dx = [\frac{\lambda e^{tx-t\lambda}}{t}]_0^{\infty}$$ if $t$ is treated as a constant. Feb 10 comment CDF and conditional probability I seem to be dealing with a partial integral here. I am sure I am doing something wrong. Please take a look at this: $\int_0^{\inf} \lambda e^{-\lambda t} e^{Tx} dx$ Feb 10 accepted CDF and conditional probability Feb 8 comment CDF and conditional probability Please see my edit about the MGF. Feb 8 comment CDF and conditional probability $P(T>t)=1-(1-e^{-\lambda t})=e^{-\lambda t}$. If that is right, the rest of the proof is easy. Also please see my edit about the MGF. Feb 8 awarded Supporter Feb 8 revised CDF and conditional probability added 10 characters in body Feb 8 revised CDF and conditional probability added 10 characters in body Feb 8 asked CDF and conditional probability Feb 8 comment Gambler tosses coin PGF I know the definition but I don't know how to calculate it. I suggested the third central moment because that is one of the ways that you can do it, but I don't think that is the best way.