Question

In the Sullivan Statistics Survey, respondents were asked to disclose whether they have a Facebook account. Treat the respondents as a simple random sample of adult Americans.
(a) What proportion of the males who took the survey has a Facebook account? What proportion of the females who took the survey has a Facebook account?
(b) Is there significant evidence to suggest a higher proportion of females than males has a Facebook account at the α = 0.05 level of significance?


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  • CreatedApril 28, 2015
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