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The Harris/Excite instant poll used to be online. The question appears on the screen, and you simply click buttons to vote "Yes," "No," or "Don't Know." On January 25, 2000, the question was "Should female athletes be paid the same as men for the work they do?" In all, 13,147 (44%) said "Yes," another 15,182 (50%) said "No," and the remaining 1448 said "Don't know."

a) What is the sample size for this poll?

b) That's a much larger sample than standard sample surveys. In spite of this, we can't trust the result to give good information about any clearly defined population. Why?

c) It is still true that more men than women use the Web. How might this fact affect the poll results?

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