Conditional Probabilityeasy
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A box has 2 coins: 1 fair, 1 biased (P(H)=0.9). Pick one, flip it, result is Head. What is the probability it is fair?
A box has 2 coins: 1 fair, 1 biased (P(H)=0.9). Pick one, flip it, result is Head. What is the probability it is fair?