Coin flipping

Several terms redirect here. For other uses, see Flipping a Coin (song), Coin Flip (Shrinking), Heads and Tails (disambiguation), and Heads or Tails (disambiguation).

Coin flipping, coin tossing, or heads or tails involves using the thumb to launch a coin in the air and then checking which side is showing once it has landed, in order to randomly choose between two alternatives. It is a form of sortition which inherently has two possible outcomes. Used in such a fashion, the coin serves as a binary lot.

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