represents the Erlang distribution with shape parameter k and rate .
- The probability density for value in an Erlang distribution is proportional to for , and is zero for .
- ErlangDistribution[k, ] is equivalent to TransformedDistribution[x1+...+xk, ...] with each from ExponentialDistribution.
- ErlangDistribution allows k to be any positive integer and to be any positive real number.
- ErlangDistribution can be used with such functions as Mean, CDF, and RandomVariate.
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