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The Pew Internet and American Life Project (A-13) reported in 2003 that 18 percent of Internet users have used it to search for information regarding experimental treatments or medicines. The sample consisted of 1220 adult Internet users, and information was collected from telephone interviews. We wish to construct a 95 percent confidence interval for the proportion of Internet users in the sampled population who have searched for information on experimental treatments or medicines. Plus Interpretation
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The Pew Internet and American Life Project (A-13) reported in 2003 that 18 percent of Internet users...
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