Mathematics, 24.11.2021 14:00 ellisc7044

A random sample of 500 adult residents of Maricopa County found that 361 were in favor of increasing the highway speed limit to 75 mph, while another sample of 400 adult residents of Pima County found that 270 were in favor of the increased speed limit. Construct a 95% confidence interval on the difference in the two proportions. Round your answer to four decimal places (e. g. 98.7654).

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A random sample of 500 adult residents of Maricopa County found that 361 were in favor of increasing...