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(7 points) A bin contains five identical balls in each of 3 colors (red, white and blue).A contestant selects 5 balls from the bin with a blindfold and wins if

the selection contains three balls of one color and two of another color. Find the ratio of winning selections to total selections. “Bubble" your answer. О (а) 1/7 (b) 2/7 D (c) 3/7 (d) 10/21 O (e) 13/21 (f) None of the above

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