We define the incomplete gamma function ratio for positive N by \begin{align*}\tag{1}P(N, b, X) &= \int^X_0 t^{N-1}e^{-bt} dt/ \int^\infty_0 t^{N-1}e^{-bt} dt ...
This is a preview. Log in through your library . Abstract Herein proposed is a four-parameter univariate probability density function, defined for a positive random variable. The density function may ...