You may have heard that you have a 1 in 9.2 quintillion chance of filling out a perfect bracket for the NCAA tournament. Technically that's true, but it's not very accurate.


Those odds are based on flipping a coin to predict every game in your bracket. But in reality, certain things are almost certain to happen, like the number one seeds beating the number 16 seeds.

Your predictions are almost more educated if you've followed basketball during the year. You'll need some luck to combat the upsets that might happen, but all things considered, your odds are much better than just flipping a coin.

If you have a decent amount of knowledge about college basketball, your odds of having a perfect bracket are close to 1 in 1 or 2 billion. Still crazy, but way better than 1 in 9.2 quintillion, right?

Read more at FiveThirtyEight.