The difficulty of a perfect March Madness bracket, Part 2: what if people became smart?

In our previous post about March Madness, we assumed that people randomly selected a bracket by chance; we did not take into account that they might remember what they selected previously and adjust their predictions. Let’s say now people become smart and don’t make the same mistake twice. How does this affect our calculations?

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Just how difficult is it to fill out a perfect bracket in the NCAA March Madness Tournament?

March Madness season is back, and with it are disappointments of a busted bracket. I stumbled upon an article (from the Weather Channel — what?!) about the probabilities of getting a perfect bracket: 1 inĀ 9,223,372,036,854,775,808. But just how small is that? Let’s do some math to find out!

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