Question: 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 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. For purposes of this exercise, suppose that the sample size was n = 300 (the actual sample size was much larger). Construct and interpret a 90% confidence interval for the proportion of Internet users who have searched online for information about themselves.

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