This article, for students and teachers, is mainly about probability, the mathematical way of looking at random chance.

This article offers an advanced perspective on random variables for the interested reader.

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

Are these statistical statements sometimes, always or never true? Or it is impossible to say?

Can you create random variables satisfying certain conditions?

When is an experiment described by the binomial distribution? Why do we need both the condition about independence and the one about constant probability?

Are these scenarios described by the binomial distribution?

This pilot collection of resources is designed to introduce key statistical ideas and help students to deepen their understanding.