# Lesson overview:Combined events and tree diagrams (Part 2)

- In this lesson, we will look at examples of when a tree diagram is more useful for combined events than a sample space diagram.

## Core Content

- In this lesson, we will look at examples of when a tree diagram is more useful for combined events than a sample space diagram.

## Probability:

- Representing probability
- Complementary events
- Calculating probabilities
- Theoretical probability and relative frequency
- Theoretical probability and relative frequency (Part 2)
- Comparing probabilities
- Combined events and sample spaces (Part 1)
- Combined events and sample spaces (Part 2)
- Frequency trees
- Calculating the probability of combined events
- Combined Events and Tree Diagrams (Part 1)
- Combined events and tree diagrams (Part 2)