What are the odds of guessing March Madness?

What are the odds of guessing March Madness? Each game has two possible incomes: either Team A wins, and Team B loses, or vice versa. The odds of projecting all 63 winners is one in more than nine quintillion.

Each game has two possible incomes: either Team A wins, and Team B loses, or vice versa. The odds of projecting all 63 winners is one in more than nine quintillion.
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