anonymousanon
anonymousanon
28.11.2019 • 
Mathematics

5. ten male senators are on their way to the clinton inaugural ball. a crowd of disgruntled taxpayers attacks them with a vol ley of snowballs, knocking each senator's top hat to the ground. a page retrieves the hats and hands one to each senator—but without checking to see who owns which one. what is the exact probability that exactly nine senators will receive their own hats?

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