Conditional Probabilityhard
0:00.0
Three boxes contain different ratios of black and white marbles. Box 1 has 2 black, 1 white. Box 2 has 1 black, 2 white. Box 3 has 1 black, 1 white. A box is selected at random, and one marble is drawn. Given the marble is black, what is the probability it came from Box 1?
Three boxes contain different ratios of black and white marbles. Box 1 has 2 black, 1 white. Box 2 has 1 black, 2 white. Box 3 has 1 black, 1 white. A box is selected at random, and one marble is drawn. Given the marble is black, what is the probability it came from Box 1?