Question

In a Pew Research Center survey of 960 Facebook users, 452 cited “seeing photos or videos” as a major reason why they use Facebook, while 298 cited “keeping up with news and current events” as a major reason why they use Facebook.
a. Construct a 95% confidence interval estimate for the population proportion of Facebook users who cite “seeing photos or videos” as a major reason for why they use Facebook.
b. Construct a 95% confidence interval estimate for the population proportion of Facebook users who cite keeping up with news and current events” as a major reason why they use ­Facebook.
c. Compare the results of (a) and (b).


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  • CreatedJuly 16, 2015
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