The study Digital Footprints (Pew Internet & American Life Project, www. pewinternet. org, 2007) reported that 47%

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The study “Digital Footprints” (Pew Internet & American Life Project, www. pewinternet. org, 2007) reported that 47% of Internet users have searched for information about themselves online. The 47% figure was based on a random sample of Internet users. Suppose that the sample size was n 5 300 (the actual sample size was much larger). Answer the four key questions (QSTN) to confirm that the suggested method in this situation is a large- sample confidence interval for a population proportion.
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