5.1 calculating probabilities, 5.2 venn diagrams

When do you use probability?

When you want to predict the chance of something happening

What is an experiment?

A repeatable process that gives rise to a number of outcomes

What is an event?

A collection of one or more outcomes

What is a sample space?

The set of all possible outcomes

Example 1

Example 2

What is a Venn diagram used for?

Can be used to represent events graphically. Frequencies or probabilities can be placed in the regions of the Venn diagram

Example 3

Example 4