These distributions are currently supported:
<distribution type="NormalDistribution" mean="4.29" variance="1.28" />
normal distribution receives two attributes - mean and variance.
<distribution type="LogNormalDistribution" mean="4.29" variance="1.28" />
log-normal distribution receives two attributes - mean and variance.
<distribution type="ParetoDistribution" xm="2.52" alpha="1.55" />
Pareto distribution receives two attributes - Xm and alpha.
<distribution type="WeibullDistribution" lambda="5" k="0.5" />
Weibull distribution receives two attributes - lambda and k.
<distribution type="ExponentialDistribution" mean="50" />
exponential distribution receives one attribute - the mean.
Generates constant value for all invocations
<distribution type="ConstantDistribution" value="5560000.0"/>
This distribution will behave as if all generated values are infinity
<distribution type="InfinityDistribution" />