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GMAT 考满分题库

- 数学PS -
From a group of 3 boys and 3 girls, 4 children are to be randomly selected. What is the probability that equal numbers of boys and girls will be selected?
  • A\frac{1}{10}
  • B\frac{4}{9}
  • C\frac{1}{2}
  • D\frac{3}{5}
  • E\frac{2}{3}
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正确答案: D

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