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    Question

    A bag contains 5 red balls, 4 green balls, and 3 yellow

    balls. Two balls are drawn randomly. What is the probability that both are of the same color?
    A 3/22 Correct Answer Incorrect Answer
    B 4/21 Correct Answer Incorrect Answer
    C 5/33 Correct Answer Incorrect Answer
    D 19/66 Correct Answer Incorrect Answer

    Solution

    Total balls = 5 + 4 + 3 = 12 The probability that both balls are of the same color = P(Same color) = (5C2 + 4C2 + 3C2) / 12C2 = (10 + 6 + 3) / 66 = 19/66 Correct Option: d)

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