https://arblib.org/arb_hypgeom.html
arb_hypgeom.h – hypergeometric functions of real variables — Arb 2.23.0 documentation
https://arblib.org/hypgeom.html
hypgeom.h – support for hypergeometric series — Arb 2.23.0 documentation
https://support.microsoft.com/en-us/office/hypgeom-dist-function-6dbd547f-1d12-4b1f-8ae5-b0d9e3d22fbf
HYPGEOM.DIST function - Microsoft Support
Returns the probability of a given number of sample successes, given the sample size, population successes, and population size.
distfunctionmicrosoftsupport