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[Step-by-Step] A nationwide sample of influential Republicans and Democrats was asked as a part of a comprehensive survey whether they favored lowering environmental

Question: A nationwide sample of influential Republicans and Democrats was asked as a part of a comprehensive survey whether they favored lowering environmental standards so that high-sulfur coal could be burned in coal-fired power plants. The results were:

Republicans Democrats
Number sampled 1,000 800
Number in favor 200 168

At the .02 level of significance, can we conclude that there is a larger proportion of Democrats in favor of lowering the standards?

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