Journal of the Royal Statistical Society. Series D (The Statistician), Vol. 46, No. 3 (1997), pp. 387-398 (12 pages) The beta distribution is seen as a suitable model in risk analysis because it ...
If X and Y are independent random variables having chi-square distributions with n and m degrees of freedom, respectively, then except for constants, X/Y and X/(X + Y) are distributed as F and Beta ...