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Data & ProbabilityProbability

Penney's Game

Let me choose second and I'll win most coin-flip races

Two players each bet on three coin flips in a row. It sounds even, yet one seat wins most of the time. Which one?

You'll find out

  • The pattern that almost never wins
  • A recipe for beating any pick
  • Why no pattern is the best one

Why it matters

Chances that look equal can hide a big edge. Spotting it is the difference between a fair bet and a trap.

About 3 min6 interactive slides · 5 questionsLesson 106 · Zone 12

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