Random variables

article
Taking chances extended

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

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

Age

11 to 14

Challenge level

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.
list
Statistics - maths of real life

Age

14 to 18

Challenge level

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

Age

16 to 18

Challenge level

How can you time the reaction timer?
problem
Stats statements

Age

16 to 18

Challenge level

Are these statistical statements sometimes, always or never true? Or it is impossible to say?
problem
Can you find ... random variable edition

Age

16 to 18

Challenge level

Can you create random variables satisfying certain conditions?
problem
Binomial or not?

Age

16 to 18

Challenge level

Are these scenarios described by the binomial distribution?
problem
Binomial conditions

Age

16 to 18

Challenge level

When is an experiment described by the binomial distribution? Why do we need both the condition about independence and the one about constant probability?
problem
Time to evolve 2

Age

16 to 18

Challenge level

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