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A random sample of 2000 voters in the United States were asked for their views on a wide range of political and social issues. a) → Only 482 felt very optimistic about future. Construct 90% C.I. for the proportion of all voters having this opinion.. b) 1800 felt that the United States was still the best country in the world. Construct 99% C.I. for the proportion of all voters having this opinion.

A random sample of 2000 voters in the United States were asked for their views on a wide range of political and social issues. a) → Only 482 felt very optimistic about future. Construct 90% C.I. for the proportion of all voters having this opinion.. b) 1800 felt that the United States was still the best country in the world. Construct 99% C.I. for the proportion of all voters having this opinion.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section11.4: Two-ways Tables
Problem 7E
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A random sample of 2000 voters in the United States were asked for their views on a wide range of political and social issues. a) → Only 482 felt very optimistic about future. Construct 90% C.I. for the proportion of all voters having this opinion.. b) 1800 felt that the United States was still the best country in the world. Construct 99% C.I. for the proportion of all voters having this opinion.
Transcribed Image Text:A random sample of 2000 voters in the United States were asked for their views on a wide range of political and social issues. a) → Only 482 felt very optimistic about future. Construct 90% C.I. for the proportion of all voters having this opinion.. b) 1800 felt that the United States was still the best country in the world. Construct 99% C.I. for the proportion of all voters having this opinion.
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