Question 1146242
there are 8 balls in the box
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we can draw 2 red balls or 2 white balls or 2 green balls 
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Probability that both balls are same color = (2/8 * 1/7) +(4/8 * 3/7) +(2/8 * 1/7) = 2/56 +12/56 +2/56 = 16/56 = 2/7
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