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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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kanudinho kanudinho
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2 years ago
The Centers for Disease Control (CDC) would like to test the hypothesis that the proportion of obese adults in the U.S. has increased this year when compared to last year. A random sample of 125 adults this year found that 56 were obese. Last year, a random sample of 140 adults found that 42 were obese. If Population 1 is defined as this year and Population 2 is defined as last year, the 98% confidence interval for the difference in population proportions is ________.

▸ (0.089, 0.207)

▸ (0.011, 0.285)

▸ (-0.029, 0.325)

▸ (-0.088, 0.384)
Textbook 
Business Statistics

Business Statistics


Edition: 2nd
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Turito65Turito65
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2 years ago
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2 years ago
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