Essay
Let p1 represent the population proportion of U.S.senatorial and congressional (House of Representatives)Democrats who are in favor of a new modest tax on "junk food".Let p2 represent the population proportion of U.S.senatorial and congressional Republicans who are in favor of a new modest tax on "junk food." Out of the 265 Democratic senators and members of Congress,106 of them are in favor of a "junk food" tax.Out of the 285 Republican senators and members of Congress,only 57 are in favor a "junk food" tax.At α = .01,can we conclude that the proportion of Democrats who favor a "junk food" tax is more than 5 percent higher than the proportion of Republicans who favor the new tax?
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