Topic 13: Compound Events

13-1: Compound Events

Part 1


In probability situations, an action is a process with an uncertain result. In the previous topic, you worked with actions that involved only one step or choice. Multi-step actions involve more than one step or choice.

Consider an example.

Action: Spin the spinner once.

Spin the spinner once: a one-step action.

Action: Spin the spinner twice.

Spin the spinner twice: a two-step action.




Consider a different type of action.

Action: Choose one person from the group.

Choose one person from the group: a one-step action.

Action: Choose four people from the group.

Choose four people from the group: a four-step action.

End ofPage 458

Table of Contents

Digits, Grade 7, Volume 2, Homework Helper Unit E: Measurement and Data Unit F: Personal Financial Literacy Unit G: Step-Up Lessons English/Spanish Glossary Formulas Math Symbols Formulas Measures Properties