Erlang Distribution
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Erlang Distribution
The Erlang Distribution is a continuous distribution which is a special distribution of the Gamma distribution.
The continuous random variable X is said to have an erlang distribution with a scale parameter of θ>0 and the parameter r, namely X∼Erl(θ,r).
so
f(x)=1θr(r−1)xr−1e−xθ;x>0
where r is a positive integer.
Mean
Varians
CDF
MGF
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