PsiCumulD (min,max, {x1,x2,…,xn}, {p1,p2,…,pn})
PsiCumulD is a complimentary distribution to PsiCumul(). It is a cumulative distribution with n points between a minimum and a maximum, user specified values, x1,x2,…,xn, and corresponding cumulative descending probabilities p for each x. See PsiCumul for more information.