Hypergeometric Tail Probabilities


Mary C. Phipps


Research Report 2001-2
Date: 1 Feb 2001


This paper improves an existing inequality between the tail probabilities of two related hypergeometrics. The inequality is made more general by the removal of restrictive conditions. It is also shown to be strict in all but certain boundary cases and to have implications in significance testing.

Key phrases

P-value. Fisher's Exact Test. hypergeometric. binomial.

AMS Subject Classification (1991)

Primary: 60E05
Secondary: 62F03


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