GMAT 考满分题库

- 数学PS -
There are 5 boys and 3 girls. What is the probability of selecting at least one boy when three of them are chosen randomly?
  • A$$\frac{1}{56}$$
  • B$$\frac{23}{56}$$
  • C$$\frac{13}{14}$$
  • D$$\frac{55}{56}$$
  • E$$\frac{63}{1024}$$
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正确答案: D

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