Whos online? A sample survey by the Pew Internet and American Life Projectasked a random
Chapter 0, Problem 23.4(choose chapter or problem)
Whos online? A sample survey by the Pew Internet and American Life Projectasked a random sample of adults about use of the Internet and about the type ofcommunity they lived in. Following is the two-way table: (a) Give three 95% confidence intervals, for the percents of adults in rural,suburban, and urban communities who use the Internet.(b) Explain clearly why we are not 95% confident that all three of these intervalscapture their respective population proportions.
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