AppliedMultiple choice
Two players each wear a red or blue hat chosen by coin flip. Each sees only the other’s hat, and they guess their own colours simultaneously without communicating. They win if at least one guesses correctly. What is the best achievable winning probability?
- A, since each guesses with a half chance and only a double miss loses
- B
- C, because no information about your own hat is available to either player
- D
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