Daily Puzzle — 2026-07-21
You have 5 outs on the flop (turn + river to come). What is the exact probability of hitting?
You have 5 outs on the flop (turn + river to come). What is the exact probability of hitting?
Answer & explanation
C. 20.35% — Rule of 2&4 approximates 20%; the exact hypergeometric value is 20.35% (error 0.35%, 47 unseen cards).
Source: poker-math.ts:ruleOf2And4