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Human activity contributes to global warming

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The results of a survey in which 2566 adults from Country? A, 1100 adults from Country? B, and 1093 adults from Country C were asked if human activity contributes to global warming.

Adults who say that human activity contributes to global warming

Country A-68?% Country B-89?% Country C-95?%

?1. Construct a 99?% confidence interval for the proportion of adults from Country A who say human activity contributes to global warming.

2. Construct a 99% confidence interval for the proportion of adults from Country B

3. Construct a 99% confidence interval for the proportion of adults from Country C

Reference no: EM132010655

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