The distribution density of erlang’s law is defined by the expression: The mathematical expectation is determined by the formula: $M(X) = \frac{k}{\lambda }$ The variance is equal to: $D(X) =
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Erlang Distribution, Triangular distribution
Triangular distribution
The function of the triangular distribution of a random variable is defined by the formula: The density of the triangular distribution of a random variable is found by the formula:
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