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Science-Related Homework Help Statistics and Probability Topic started by: kanudinho on Dec 30, 2021



Title: The Centers for Disease Control (CDC) would like to test the hypothesis that the proportion of obese ...
Post by: kanudinho on Dec 30, 2021
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)


Title: The Centers for Disease Control (CDC) would like to test the hypothesis that the proportion of obese ...
Post by: Turito65 on Dec 30, 2021
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