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Construct the requested confidence interval. A media poll of 500 air travelers surveyed in national airports found that 370 favor tighter security procedures in boarding planes. Construct a 90% confidence interval for the proportion of all air travelers who are in favor of tighter security procedures. -3. a) .74+1.645 (.74)(.26) 500 b) .74±1.645, (.5)(.5) 500 c) .74±1.96, (.74)(.26) 500 d) 370 1.645 (370)(130) 500

Construct the requested confidence interval. A media poll of 500 air travelers surveyed in national airports found that 370 favor tighter security procedures in boarding planes. Construct a 90% confidence interval for the proportion of all air travelers who are in favor of tighter security procedures. -3. a) .74+1.645 (.74)(.26) 500 b) .74±1.645, (.5)(.5) 500 c) .74±1.96, (.74)(.26) 500 d) 370 1.645 (370)(130) 500

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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Construct the requested confidence interval. A media poll of 500 air travelers surveyed in national airports found that 370 favor tighter security procedures in boarding planes. Construct a 90% confidence interval for the proportion of all air travelers who are in favor of tighter security procedures. -3. a) .74+1.645 (.74)(.26) 500 b) .74±1.645, (.5)(.5) 500 c) .74±1.96, (.74)(.26) 500 d) 370 1.645 (370)(130) 500
Transcribed Image Text:Construct the requested confidence interval. A media poll of 500 air travelers surveyed in national airports found that 370 favor tighter security procedures in boarding planes. Construct a 90% confidence interval for the proportion of all air travelers who are in favor of tighter security procedures. -3. a) .74+1.645 (.74)(.26) 500 b) .74±1.645, (.5)(.5) 500 c) .74±1.96, (.74)(.26) 500 d) 370 1.645 (370)(130) 500
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