Compare the proportions of users and nonusers

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Reference no: EM131767533

Question: Information online (8.2, 10.1) A random digit dialing sample of 2092 adults found that 1318 used the Internet.42 Of the users, 1041 said that they expect businesses to have Web sites that give product information; 294 of the 774 nonusers said this.

(a) Construct and interpret a 95% confidence interval for the proportion of all adults who use the Internet.

(b) Construct and interpret a 95% confidence interval to compare the proportions of users and nonusers who expect businesses to have Web sites that give product information.

Reference no: EM131767533

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