Probability

game

Game of PIG - sixes

Age

7 to 18

Challenge level

Can you beat Piggy in this simple dice game? Can you figure out Piggy's strategy, and is there a better one?
problem
Boy or girl?

Age

14 to 16

Challenge level

Will the witch make a profit or loss?
problem
Nine or ten?

Age

11 to 14

Challenge level

Is a score of 9 more likely than a score of 10 when you roll three dice?
problem
Dropouts

Age

14 to 16

Challenge level

What percentage of students who graduate have never been to France?
problem
Strange dice

Age

11 to 14

Challenge level

If two of these unusually numbered dice are thrown, how many different sums are possible?
article
A probability conundrum

What do we mean by probability? This simple problem may challenge your ideas...
problem
Do you brush your teeth every day?

Age

14 to 18

Challenge level

How can we find out answers to questions like this if people often lie?
article
What is a random variable, really?

This article offers an advanced perspective on random variables for the interested reader.
problem
Odds and evens made fair

Age

14 to 16

Challenge level

In this follow-up to the problem Odds and Evens, we invite you to analyse a probability situation in order to find the general solution for a fair game.
project
Investigating epidemics

Simple models which help us to investigate how epidemics grow and die out.