org.apache.commons.math.distribution
Interfaces 
BinomialDistribution
CauchyDistribution
ChiSquaredDistribution
ContinuousDistribution
DiscreteDistribution
Distribution
ExponentialDistribution
FDistribution
GammaDistribution
HypergeometricDistribution
IntegerDistribution
NormalDistribution
PoissonDistribution
TDistribution
WeibullDistribution
Classes 
AbstractContinuousDistribution
AbstractDistribution
AbstractIntegerDistribution
BinomialDistributionImpl
CauchyDistributionImpl
ChiSquaredDistributionImpl
DistributionFactory
DistributionFactoryImpl
ExponentialDistributionImpl
FDistributionImpl
GammaDistributionImpl
HypergeometricDistributionImpl
NormalDistributionImpl
PoissonDistributionImpl
TDistributionImpl
WeibullDistributionImpl