D. Johnson, Triangular Approximations for Continuous Random Variables in Risk Analysis, The Journal of the Operational Research Society, Vol. 53, No. 4 (Apr., 2002), pp. 457-467 ...

It includes discrete and continuous random variables, their probability distributions and analytical and statistical methods for determining the mean, variance and higher order moments that ...

Let x and y be two random variables with continuous cumulative distribution functions f and g. A statistic U depending on the relative ranks of the x's and y's is proposed for testing the hypothesis f ...