In a nationwide survey conducted by a reputable research center, a sample of adults in a certain country were asked whether they favor a plan to break up a small collection of megabanks, which controlled about 69% of the banking industry; 50% of those sampled responded in the affirmative. According to the report, "the margin of sampling error is +/-4 percentage points with a 95% level of confidence." Find and interpret a 95% confidence interval for the percentage of all adults in the country who favor a plan to break up the megabanks. The 95% confidence interval is from % to %. (Type whole numbers. Use ascending order.)
In a nationwide survey conducted by a reputable research center, a sample of adults in a certain country were asked whether they favor a plan to break up a small collection of megabanks, which controlled about 69% of the banking industry; 50% of those sampled responded in the affirmative. According to the report, "the margin of sampling error is +/-4 percentage points with a 95% level of confidence." Find and interpret a 95% confidence interval for the percentage of all adults in the country who favor a plan to break up the megabanks. The 95% confidence interval is from % to %. (Type whole numbers. Use ascending order.)
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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Transcribed Image Text:In a nationwide survey conducted by a reputable research center, a sample of adults in a certain country were asked whether they favor a plan to break up a small collection of megabanks, which
controlled about 69% of the banking industry; 50% of those sampled responded in the affirmative. According to the report, "the margin of sampling error is + /– 4 percentage points with a 95%
level of confidence." Find and interpret a 95% confidence interval for the percentage of all adults in the country who favor a plan to break up the megabanks.
.....
The 95% confidence interval is from
% to
%.
(Type whole numbers. Use ascending order.)
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