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Course: 7th grade (Illustrative Mathematics)?>?Unit 8
Lesson 5: Lesson 8: Keeping track of all possible outcomesSample spaces for compound events
Problem
Harry goes to Hogwarts School of Witchcraft and Wizardry. He can travel to school and back in different ways: by the Hogwarts Express, a flying car, or the Knight Bus. He's decided to choose his methods of transportation to and from Hogwarts at random this year.
Which of these tables lists all the different ways Harry can get to Hogwarts and back? (Each row represents one outcome.)
Table A:
To Hogwarts | From Hogwarts |
---|---|
Knight Bus | Knight Bus |
Knight Bus | Flying Car |
Knight Bus | Hogwarts Express |
Flying Car | Knight Bus |
Flying Car | Flying Car |
Flying Car | Hogwarts Express |
Hogwarts Express | Knight Bus |
Hogwarts Express | Flying Car |
Hogwarts Express | Hogwarts Express |
Table B:
To Hogwarts | From Hogwarts |
---|---|
Knight Bus | Hogwarts Express |
Flying Car | Flying Car |
Hogwarts Express | Knight Bus |
Knight Bus | Knight Bus |
Flying Car | Hogwarts Express |
Hogwarts Express | Flying Car |
Knight Bus | Flying Car |
Flying Car | Knight Bus |
Hogwarts Express | Hogwarts Express |
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