Probability

• Are All Digits Equal?

  

  This math puzzle is really more of an exploration. Here are some activities to try. read more  

• Different Dice

  

  What are the probabilities of various outcomes of the throw of two dice? read more  

• Fruit Juice Tasting

  

  In this puzzle, we invite you to find the probability of guessing what flavor of juice is in each of several cans without looking at the labels. read more  

• Happy Birthday

  

  How many people in a room might share the same birthday? Our solution is below. read more  

• Matching Socks

  

  This month’s puzzle is in three parts. read more  

• More About Benford's Law

  

  This puzzle has more examples of Benford’s Law, introduced in the "Are All Digits Equal?" puzzle. read more  

• The Monty Hall Problem

  

  How you play this game determines your chances of winning, but you may be surprised to learn what the best strategy is. read more  

• What Are Your Chances?

  

  If you throw a pair of dice, what is the probability of getting a 2? read more