Question: A Pew Internet & American Life project examined Internet social networking by age group. According to the report, among online adults 1824 years of age,

A Pew Internet & American Life project examined Internet social networking by age group. According to the report, among online adults 18–24 years of age, 75% have a profile on at least one social networking site. Assuming a sample size of 328, determine a 95% confidence interval for the percentage of all online adults 18–24 years of age who have a profile on at least one social networking site.

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75 of 328 is 246 Thus x 246 and n 328 246 2 328 ... View full answer

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