# 30 balls which ten are red

**Question description**

A box contains 30 balls of which 10 are red. If one person selects 12 balls from the box
at random and a second person takes the remaining 18 balls, what is the probability that
all 10 red balls are obtained by the same person

## Tutor Answer

Brown University

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California Institute of Technology

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Carnegie Mellon University

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Columbia University

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Dartmouth University

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Emory University

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Harvard University

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Massachusetts Institute of Technology

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New York University

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Notre Dam University

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Oklahoma University

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Pennsylvania State University

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Princeton University

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Stanford University

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University of California

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Oxford University

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Yale University

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