Conditional Probabilityhard
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A box contains 2 fair coins and 1 biased coin (heads with probability 0.7). A coin is selected at random and flipped twice, resulting in 2 heads. What is the probability the selected coin was biased?
A box contains 2 fair coins and 1 biased coin (heads with probability 0.7). A coin is selected at random and flipped twice, resulting in 2 heads. What is the probability the selected coin was biased?