Concept explainers
Computer polls. Suppose dot-corn entrepreneurs want to know what percentage of people use the Internet. They send a questionnaire to all e-mail addresses asking whether the recipient uses the Web. What percentage of the respondents is likely to say that they use the Web?
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The Heart of Mathematics: An Invitation to Effective Thinking, WileyPLUS NextGen Card with Loose-leaf Set Single Semester: An Invitation to Effective Thinking (Key Curriculum Press)
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