# Probability models

Practice creating probability models and understand what makes a valid probability model.

If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content
# Probability models

### Problem

Practice creating probability models and understand what makes a valid probability model.