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The framework for understanding the world around us, from sports to science.


How can we accurately model the unpredictable world around us? How can we reason precisely about randomness? This course will guide you through the most important and enjoyable ideas in probability to help you cultivate a more quantitative worldview.

By the end of this course, you’ll master the fundamentals of probability and random variables, and you’ll apply them to a wide array of problems, from games and sports to economics and science.

What is this?
A collection of interactive quizzes that will help you master probability, written by experts and guided by Brilliant.org's Principles for Learning.

Who is this for?
This course is enjoyed by people ranging from high school students to adult hobbyists, but is especially useful for college students needing a technical understanding of probability and random variables.

What should I know?
You'll need an understanding of basic algebra.

For a lighter introduction to probability through games, see the Games of Chance course.

What's inside?
About 50 quizzes, containing over 300 carefully crafted guided problems and explanations. It will take approximately 20-30 hours to complete.


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