Probability Basicshard
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Three boxes contain marbles. Box 1 has 2 red, 3 blue. Box 2 has 4 red, 1 blue. Box 3 has 3 red, 2 blue. A box is chosen randomly, and a marble is drawn. If the marble is red, what is the probability it came from Box 2?
Three boxes contain marbles. Box 1 has 2 red, 3 blue. Box 2 has 4 red, 1 blue. Box 3 has 3 red, 2 blue. A box is chosen randomly, and a marble is drawn. If the marble is red, what is the probability it came from Box 2?