Three-Circle Venn Diagram with Numbers. Use the Venn diagram to answer the following questions.
Readership Survey. A (hypothetical) survey revealed the following results about the news sources that a sample of 130 people use:
TV/radio only | 20 | TV/radio and Internet only | 12 |
Internet only | 29 | TV/radio and newspapers only | 18 |
Newspapers only | 15 | Internet and newspapers only | 22 |
None | 6 | All three sources | 8 |
a. Draw a three-circle Venn diagram that summarizes the results of the survey.
b. How many people use (at least) TV/radio and newspapers?
c. How many people use TV/radio or Internet?
d. How many people use TV/radio or Internet but not newspapers?
e. How many people use Internet but not TV/radio?
f. How many people use TV/radio but not newspapers?
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