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hypergeometricTwoCardHitProbability

Two-card hypergeometric hit rate.

hypergeometricTwoCardHitProbability(outs: number, unseenCards: number): number

Import​

const poker = require('poker-calculations');

ESM (Node):

import { createRequire } from 'module';
const require = createRequire(import.meta.url);
const poker = require('poker-calculations');

When to use​

Exact two-card hit rate without enumerating runouts. Equivalent to flopToRiverAtLeastOneHitProbability for the same outs and unseen.

How to use​

const outs = 9;
const unseen = 47;

const pTwo = poker.hypergeometricTwoCardHitProbability(outs, unseen);
const pFlopRiver = poker.flopToRiverAtLeastOneHitProbability(outs, unseen);
console.log(pTwo, pFlopRiver); // equal

See also​

flop-to-river-at-least-one-hit-probability · hypergeometric-two-card-miss-probability