Listing the outcomes of two events

Writing every pairing of two events once, in an order showing none is missing.

Sample space diagrams

The grid displaying every outcome of two events, one axis per event.

Probabilities from a sample space

Counting the cells an event occupies and dividing by the whole grid.

Practice

Listing the outcomes of two events

Writing every pairing of two events once, in an order showing none is missing.

Practice

Sample space diagrams

The grid displaying every outcome of two events, one axis per event.

Practice

Sample spaces review

Grids for two events, and probabilities counted from the cells.

Mixed review