Probability Distribution Functions and Inverses
This section contains the following topics:
NORMALCDF Function—Normal (Gaussian) distribution function. BINORMALCDF Function—Bivariate normal distribution. CHISQCDF Function—Chi-squared distribution function. GAMMACDF Function—Gamma distribution function. BETACDF Function—Beta distribution function. BINOMIALCDF Function—Binomial distribution function. HYPERGEOCDF Function—Hypergeometric distribution function. POISSONCDF Function—Poisson distribution function. 
