Mathematics, 24.04.2020 17:09, jskdkfjf

In the current survey, 220 of 400 executives answered Yes, while in a previous year survey, 176 of 400 executives had answered Yes. Provide a 95% confidence interval estimate for the difference between the proportions at the two points in time. (Use current year − previous year. Round your answer to four decimal places.)

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In the current survey, 220 of 400 executives answered Yes, while in a previous year survey, 176 of 4...