1)   AMRandom 4.0
AMRandom is a Delphi translation of Alan Miller's Random Module for FORTRAN. Supplies several different distributions of random numbers including Normal, Poisson, Gamma, etc. Includes Full Delphi Source and Demo
Delph, Random, Math, Mathematics, Stats, Statistics, Random Numbers, Normal, Poisson, Gaussian,

 2)   StatAssist 2.0
StatAssist displays graphs and related properties of more than 40 probability distributions. It calculates statistical moments, quantiles, and tail probabilities depending on the distribution parameters specified by the user.
distribution, probability, mean, variance, standard deviation, skewness, kurtosis, mode, quantile, discrete,