Losing with Heads or Tails

Flipping a coin may not be the fairest way to make a choice.

By Emily Sohn, 00:00 AM March 2, 2004

Heads, you win. Tails, you lose.

It turns out that coin tosses may be less fair than you might think. A new mathematical analysis even suggests a way to increase your chances of winning.

People use coin tosses all the time to make decisions and break ties. You've probably done it yourself to decide who gets the last piece of pizza or which team gets the ball first. Heads or tails? It's anybody's guess, but each side is supposed to have an equal chance of winning.

That's not always true, say ma...

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