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An insurance company collects data on seat-belt use among drivers in a country. 90% confidence interval for the difference between the proportions of seat-belt users for drivers in the age groups 30-39 years and 55-64 years. 2000 drivers 30-39 years old, 28% said that they buckle up, whereas 482 of 1500 drivers 55-64 years old said that they did. Find a Construct a 90% confidence interval. The 90% confidence interval for p, - P2 is from to (Round to three decimal places as needed.)

An insurance company collects data on seat-belt use among drivers in a country. 90% confidence interval for the difference between the proportions of seat-belt users for drivers in the age groups 30-39 years and 55-64 years. 2000 drivers 30-39 years old, 28% said that they buckle up, whereas 482 of 1500 drivers 55-64 years old said that they did. Find a Construct a 90% confidence interval. The 90% confidence interval for p, - P2 is from to (Round to three decimal places as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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An insurance company collects data on seat-belt use among drivers in a country. Of 2000 drivers 30-39 years old, 28% said that they buckle up, whereas 482 of 1500 drivers 55-64 years old said that they did. Find a 90% confidence interval for the difference between the proportions of seat-belt users for drivers in the age groups 30-39 years and 55-64 years. Construct a 90% confidence interval. The 90% confidence interval for p, -p2 is from to (Round to three decimal places as needed.)
Transcribed Image Text:An insurance company collects data on seat-belt use among drivers in a country. Of 2000 drivers 30-39 years old, 28% said that they buckle up, whereas 482 of 1500 drivers 55-64 years old said that they did. Find a 90% confidence interval for the difference between the proportions of seat-belt users for drivers in the age groups 30-39 years and 55-64 years. Construct a 90% confidence interval. The 90% confidence interval for p, -p2 is from to (Round to three decimal places as needed.)
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