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The table to the right shows the results ofa survey in which 25H] adults from Country A, 1141 adults from
Country B, and 1071 adults from Country C were asked it human activity contributes to global warming.
Complete parts [a]. (b). and {c}. Adults who say that human
activity contributes to global
warming Country A 65%
Country B 38%
Country C 94% (a) Construct a 95% confidence interval for the proportion of adults from Country Awho say human activity contributes to global warming. [ I I (Round to three decimal places as needed.) (b) Construd a 95% confidence interval for the proportion of adults from Country El who say human activity contributes to global warming. [—Ij (Round to three decimal places as needed.) (c) Construct a 95% confidence interval for the proportion ofadults from Country 0 who say human activity contributes to global warming. [:Ij (Round to three decimal places as needed.)

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