This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
Exponential-Related Distributions
Exponential and related distributions occur in a variety of contexts, such as reliability and communication. As such, a large number of extensions and variations of exponential distributions are frequently used.
Exponential and Related Distributions
ExponentialDistribution exponentially decreasing PDF
ErlangDistribution sum of exponential distributions
Gamma and Related Distributions
GammaDistribution generalized sum of exponential distributions