An approximation to the generalized hypergeometric distribution
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A generalized hypergeometric (GHG) distribution was defined, and its higher order approximations were given by Takeuchi (1984). In this paper, an improvement on the approximation is considered and examined by the numerical calculation. Several examples including the Poisson, binomial, negative-binomial, hypergeometric and negative-hypergeometric distributions are also given.
KeywordsHypergeometric Distribution High Order Approximation Edgeworth Expansion Popular Distribution Generalize Hypergeometric Series
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