Part 1 of 3: Insurance companies are interested in knowing the population percent of drivers who always buckle up before riding in a car. They randomly survey 404 drivers and find that 306 claim to always buckle up.   What is the 2-decimal small number in the 80% confidence interval   Part 2 of 3: What is the 2-decimal large number in the 80% confidence interval

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Part 1 of 3:
Insurance companies are interested in knowing the population percent of drivers who always buckle up before riding in a car. They randomly survey 404 drivers and find that 306 claim to always buckle up.
 
What is the 2-decimal small number in the 80% confidence interval

 
Part 2 of 3:
What is the 2-decimal large number in the 80% confidence interval
 

 
Part 3 of 3:
What is the 2-decimal margin of error
 
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