Experimental probability

How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?

Which of these ideas about randomness are actually correct?

This interactivity invites you to make conjectures and explore probabilities of outcomes related to two independent events.

Can you generate a set of random results? Can you fool the random simulator?

Is the age of this very old man statistically believable?

Kaia is sure that her father has worn a particular tie twice a week in at least five of the last ten weeks, but her father disagrees. Who do you think is right?

This article, for students and teachers, is mainly about probability, the mathematical way of looking at random chance and is a shorter version of Taking Chances Extended.

Six balls are shaken. You win if at least one red ball ends in a corner. What is the probability of winning?

Seven balls are shaken. You win if the two blue balls end up touching. What is the probability of winning?

Are these domino games fair? Can you explain why or why not?