Daily Puzzle — 2026-08-06
You have 10 outs on the turn (river only). What is the exact probability of hitting?
You have 10 outs on the turn (river only). What is the exact probability of hitting?
Answer & explanation
D. 21.74% — Rule of 2&4 approximates 20%; the exact hypergeometric value is 21.74% (error 1.74%, 46 unseen cards).
Source: poker-math.ts:ruleOf2And4