Conditional Probabilityhard
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An urn contains 5 coins, 2 are double-headed, 2 are fair, and 1 is double-tailed. A coin is chosen at random and flipped twice. If both flips result in heads, what is the probability the coin is double-headed?
An urn contains 5 coins, 2 are double-headed, 2 are fair, and 1 is double-tailed. A coin is chosen at random and flipped twice. If both flips result in heads, what is the probability the coin is double-headed?