Math 114 Course Review
Chapter One – Thinking Critically
•Sets and Venn Diagrams
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Math 114 Course Review
Chapter One – Thinking Critically
• Sets and Venn Diagrams
Sets and Venn Diagrams
A set is a collection of objects.
Example: T = { a, b, dog, 3 }
A Venn diagram is a visual used to describe relationships among sets.
A survey asked a group of people where they got their
news: a newspaper, TV, or the Internet. The responses
are recorded in the Venn diagram.
- (^) How many got their news from only one source?
- (^) How many got some of their news from the internet?
- How many got their news from at least two sources?
- How many people participated in this study?
- (^) How many people got their news from the internet or the newspaper?