a.
Find the 95% confidence interval for the proportion of Facebook users engaging in “update their status” on an average day.
Find the 95% confidence interval for the proportion of Facebook users engaging in “comment on another’s post or status” on an average day.
Find the 95% confidence interval for the proportion of Facebook users engaging in “comment on another user’s photo” on an average day.
Find the 95% confidence interval for the proportion of Facebook users engaging in “like” another user’s content on an average day.
Find the 95% confidence interval for the proportion of Facebook users engaging in “sent another user a private message” on an average day.
b.
Check whether it is plausible that the proportion commenting on another’s post or status is the same as the proportion updating their status or not.
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