You probably had to memorize the “times table” up to 10 in school. A multiplication table has each entry equal to the product of its row and column numbers. What is the sum of…

- 1 month, 2 days, 20 hours, 11 minutes ago# Mind Your Decisions

## Proof that mathematicians believe in ghosts – Sunday Puzzle

I’ve posted a new video with a Halloween theme. Proof that mathematicians believe in ghosts This is a video version of three puzzlers from last year. I made the included puzzles 1-3…

- 1 month, 1 week, 2 days, 16 hours, 56 minutes ago## This is your ultimatum game. This is your ultimatum game on drugs – Game Theory Tuesdays

Imagine you participate in a psych experiment with a chance to earn money. You are to propose a split of $10 between you and another person. If the other person agrees to the split, then…

- 1 month, 2 weeks, 1 day, 9 hours, 42 minutes ago## The Hot Hand Is Real! (Video)

Earlier this week I posted about a new working paper that says the hot hand is real. This is a bold claim that contradicts a famous 1985 paper that concluded the hot hand did not exist,…

- 1 month, 2 weeks, 5 days, 11 hours, 12 minutes ago## The Hot Hand Is Real?! Understanding A Controversial Statistics Paper – Game Theory Tuesdays

Probability and statistics rarely get this kind of attention. But this story is special. It’s about debunking a long-held statistics result that itself was about debunking sports…

- 1 month, 3 weeks, 1 day, 9 hours, 48 minutes ago## Dice rolls until a repeat – Sunday Puzzle

What’s the expected number of rolls until a standard die shows a number you have already rolled? For example, let’s say you roll 1, then 2, and then 1 again. The die repeated…

- 1 month, 3 weeks, 2 days, 15 hours, 17 minutes ago## The Quadratic Formula – An Intuitive Explanation

Quadratic equations are very important in mathematics, with applications ranging from sending a rocket into space to calculating the best price to maximize profits. The quadratic formula…

- 1 month, 3 weeks, 4 days, 14 hours, 36 minutes ago## Game Theory In The News (#24): Facebook’s ad auction, when we cheat, the doctor-patient relationship, anger as a signal, reducing sexual assualt

Welcome to 24rd edition of game theory in the news (it’s been two years!). In this column, I highlight recent content related to the science of strategy. Wired has a nice article on…

- 2 months, 1 day, 9 hours, 57 minutes ago