Probability Basicshard
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A coin bag contains 1 gold coin and 9 silver coins. A coin is drawn at random from the bag. An appraiser, who is correct of the time (i.e., the probability they correctly identify gold is , and the probability they correctly identify silver is ), examines the coin and declares it to be a gold coin. What is the probability that the coin is actually gold?
A coin bag contains 1 gold coin and 9 silver coins. A coin is drawn at random from the bag. An appraiser, who is correct of the time (i.e., the probability they correctly identify gold is , and the probability they correctly identify silver is ), examines the coin and declares it to be a gold coin. What is the probability that the coin is actually gold?