Question: The table below shows the results of a survey in which 2565 adults from country A, 1135 adults from country B, and 1086 adults from country C were asked if human activity contributes to global warming. Completes parts (a), (b), and (c).

Adults who say human activity contributes to global warming:

Country A: 63%

Country B: 89%

Country C: 92%

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 who say human activity contributes to global warming
3. Construct a 99% confidence interval for the proportion of adults from country C who say human activity contributes to global warming.

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