Select from menu above the item which describes the probablity distribution you wish to model.
YOU HAVE THE CHOICE OF ONE OF THE FOLLOWING PROBABLITY DISTRIBUTIONS

Standard normal (mean 0,variance 1) cumulative distribution function Students t cumulative distribution function Binomial cumulative distribution function Chi-square cumulative distribution function F cumulative distribution function Poisson cumulative distribution function

Normal Deviate Pascal (Negative Binomial) cumulative distribution function Incomplete beta distribution I(x,a,b) Incomplete gamma distribution P(a,x) Hypergeometric cumulative distribution function P(N,D,M.x) Negative hypergeometric cumulative distribution function