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Beta Random Variable 10/28


\begin{displaymath}f(x)=\frac{1}{B(a,b)}x^{a-1}(1-x)^{b-1}, \mbox{ where }
B(a,b)=\int_0^1t^{a-1}(1-t)^{b-1}dt\end{displaymath}

This is used for modelling uncertainty for rates of success, as the examples in the book, pages 168-170 show.



Susan Holmes
1998-12-07