SOLUTION: Imagine you have 8 colored balls in a bag: 2 yellow, 2 red, 2 blue, and 2 green. If you pull out 4 balls, what is the probability that you have pulled out one of each color?
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-> SOLUTION: Imagine you have 8 colored balls in a bag: 2 yellow, 2 red, 2 blue, and 2 green. If you pull out 4 balls, what is the probability that you have pulled out one of each color?
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Question 420022: Imagine you have 8 colored balls in a bag: 2 yellow, 2 red, 2 blue, and 2 green. If you pull out 4 balls, what is the probability that you have pulled out one of each color?
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no. of ways to pull 4 balls from 8 = 8C4
no. of ways to pull one ball from each color = 2C1 * 2C1 * 2C1 *2C1 = 16