Money WondersPlay

Risk, Insurance & ProbabilityProbability

Why the House Always Wins

Roulette's green zeros pay the casino

Every number on a roulette wheel adds up to 666. But the casino's real secret is two little green pockets. Why those?

You'll find out

  • The wheel's devilish total
  • What 1,000 spins do to your dollars
  • Why one green zero is gentler

Why it matters

Casinos, lotteries and plenty of deals run on a small edge. See it once and you'll spot it everywhere.

About 3 min6 interactive slides · 5 questionsLesson 75 · Zone 9

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