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A random sample of 500 adult residents of Maricopa County found that 379 were in favor of increasing the highway speed limit to 75 mph, while another sample of 400 adult residents of Pima County found that 271 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). ≤ P1-P2 ≤ i

A random sample of 500 adult residents of Maricopa County found that 379 were in favor of increasing the highway speed limit to 75 mph, while another sample of 400 adult residents of Pima County found that 271 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). ≤ P1-P2 ≤ i

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 23PFA
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A random sample of 500 adult residents of Maricopa County found that 379 were in favor of increasing the highway speed limit to 75 mph, while another sample of 400 adult residents of Pima County found that 271 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). i ≤ P1-P₂ ≤ i
Transcribed Image Text:A random sample of 500 adult residents of Maricopa County found that 379 were in favor of increasing the highway speed limit to 75 mph, while another sample of 400 adult residents of Pima County found that 271 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). i ≤ P1-P₂ ≤ i
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