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:

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

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