Mind Your Decisions

How Cooperation Emerges In The Repeated Prisoner’s Dilemma (Animated Video By ThisPlace) – Game Theory Tuesdays

I have previously featured the YouTube channel ThisPlace for its animated explanations of the prisoner’s dilemma and the tragedy of the commons. I want to share another video which…

- 1 month, 1 week, 1 day, 11 hours, 33 minutes ago

The Magical Pond – Sunday Puzzle

I visit a shrine where I place flowers at 3 different temples. Before visiting each temple, I have to swim through a magical pond. (My path is pond-temple1-pond-temple2-pond-temple3). Each…

- 1 month, 1 week, 2 days, 17 hours, 28 minutes ago

The Pirate Game – Game Theory Tuesdays

image by Elliott Brown. CC BY 2.0 This is a fun puzzle I have posted about before with 3 pirates. This is a variation with 5 pirates accompanied by a video explanation. A group of 5 pirates…

- 1 month, 2 weeks, 1 day, 11 hours, 2 minutes ago

The Red Ball Lottery – Sunday Puzzle

This problem involves 100 red balls, 100 blue balls, and 2 urns. First you distribute all of the balls between the 2 urns, however you wish, so each urn has at least 1 ball. Then you select…

- 1 month, 2 weeks, 2 days, 17 hours, 37 minutes ago

Why Are The NY Yankees Encouraging Empty Stadium Seats? The Logic Of Minimum Ticket Pricing. Game Theory Tuesdays

image by Paul Guiney. CC BY 2.0 The New York Yankees play in Yankee stadium with a seating capacity of approximately 50,000. In the past 5 years, fewer and fewer fans have opted to attend…

- 1 month, 3 weeks, 1 day, 10 hours, 54 minutes ago

Distance Between Two Random Points In A Square – Sunday Puzzle

What is the average distance between two randomly chosen points in a square with a side length 1? Specifically, select two points at random (drawn from the standard uniform distribution)…

- 1 month, 3 weeks, 2 days, 18 hours, 19 minutes ago

Matchstick Puzzle Make 3 Squares In 3 Moves

This classic matchstick/toothpick puzzle is making the rounds because it is “extremely hard” for adults. Can you make 3 squares by moving 3 matchsticks? The problem is like it…

- 1 month, 3 weeks, 3 days, 15 hours, 52 minutes ago

Don’t Order The Second Cheapest Wine – Game Theory Tuesdays

image by rick. CC BY 2.0 This is a nice example of game theory. You want to order a bottle of wine but you are intimidated by the extensive wine list. Which bottle should you get? You want…

- 2 months, 1 day, 11 hours, 41 minutes ago

The Cigarette Riddle And Trailing Zeroes In 1000 Factorial

Problem 1 A miser can make 1 cigarette from 5 cigarette butts. What is the most number of cigarettes the miser can make from 1,000 cigarette butts? Problem 2 I have posted about this…

- 2 months, 2 days, 17 hours, 8 minutes ago

BuzzFeed’s Cookie Math Problem Is Wrong

Yesterday BuzzFeed posted a “simple cookie math problem” that already has over 400,000 views. You can try out the quiz to see how you do: Can You Solve This Simple Cookie Math…

- 2 months, 3 days, 11 hours, 14 minutes ago