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Roots of Unity

We Only Need to Fill Out 425 Brackets Each to Win Buffett’s Billion

Will your bracket be a slam dunk? Image: Acid Pix, via flickr.

Warren Buffett’s Bracket Challenge* has put even more of a spotlight than usual on March Madness, the annual NCAA basketball tournament. Buffett has offered a billion dollars to anyone who correctly predicts the outcome of all 63 games in the tournament. There are 2 possible outcomes of every game and therefore 263— 9,223,372,036,854,775,808, or about [...]

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