# Probability and statistics

### Topics

Missions recommend what to learn next, help you remember what you’ve learned by mixing skills, and save your progress.

Sign up### Staff picks

### Get Started

Basic probability

Can I pick a red frog out of a bag that only contains marbles? Is it smart to buy a lottery ticket?
Even if we are unsure about whether something will happen, can we start to be mathematical about the "chances" of an event (essentially realizing that some things are more likely than others). This tutorial will introduce us to the tools that allow us to think about random events.

Start Learning