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Confidence interval for the proportion of adults

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Reference no: EM132152247

The table to the right shows the results of a survey in which 2574 adults from Country? A, 1102 adults from Country? B, and 1050

adults from Country C were asked if human activity contributes to global warming.

Complete parts? (a), (b), and? (c).

Adults who say that human activity contributes to global warming

Country Upper A 62?%

Country Upper B 89%

Country Upper C 92?%

(a) Construct a 95% confidence interval for the proportion of adults from Country Upper A who say human activity contributes to global warming.

( , )

?(Round to three decimal places as? needed.)

Reference no: EM132152247

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