Articles

Every video, written out: the question, the assumptions, and the math worked step by step, with sources.

• If you're 6'10", what are the odds you make it to the NBA?US men vs NBA players by height: 1 in 68,000 at 6 feet, about 1 in 9 at 6'10".
• If you fell from 50,000 feet, what are the odds you'd hit a plane?15,000 planes cover 1.7 square miles of a 197-million-square-mile planet.
• If you filled a Sudoku grid at random, what are the odds it would be valid?6.67 sextillion valid grids out of 5.3×10⁷⁰ arrangements: about 1 in 8×10⁴⁸.
• Could we send a stadium wave all the way around the equator?66 million people, a 39-day lap and 1.6 million boats to circle the equator.
• How much is a scratch-off ticket really worth?A $1 California scratcher is worth about 61.5¢; pricier tickets pay back more but lose more.
• How many calories can you buy with $10 at Trader Joe's?1,404 Trader Joe's foods ranked by calories per dollar; flour wins at 27,600 for $10.
• Are there enough LEGO bricks on Earth to build the Great Pyramid?A full-size Great Pyramid needs 1.5 trillion LEGO pieces; about 1.1 trillion exist.
• What are the odds of winning bingo in just four turns?Why the fastest bingo takes four calls, and why one card's odds are 1 in 304,000.

With a game to play

• How many people until two share a birthday?Play the game, then read the math.
• How many wins to beat the whole world at rock paper scissors?Play the game, then read the math.
• Can you call higher or lower through a whole deck?Play the game, then read the math.
• $100,000 or a perfect game for $5,000,000?Play the game, then read the math.
• Where should you stand on the glass bridge?Play the game, then read the math.
• How often do random tiles spell a word?Play the game, then read the math.
• What are the odds of a celebrity in your Fortnite lobby?Play the game, then read the math.