According to the results of a survey, 48% of 422 people indicated that American football is their favorite sport. Assuming that the percentage remains the same, how many more people should be surveyed to have a margin of error of 2%? Round up to the nearest whole number, if necessary. Question: In order to have a margin of error of 2%, you need to survey how many more people
According to the results of a survey, 48% of 422 people indicated that American football is their favorite sport. Assuming that the percentage remains the same, how many more people should be surveyed to have a margin of error of 2%? Round up to the nearest whole number, if necessary. Question: In order to have a margin of error of 2%, you need to survey how many more people
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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According to the results of a survey, 48% of 422 people indicated that American football is their favorite sport. Assuming that the percentage remains the same, how many more people should be surveyed to have a margin of error of 2%? Round up to the nearest whole number, if necessary.
Question:
In order to have a margin of error of 2%, you need to survey how many more people
Expert Solution
Step 1
We have given that
Margin of error (E) = 2% = 0.02
When confidence level is not given by default we take Confidence level (c) = 95% = 0.95
Significance level (α) = 1 - 0.95 = 0.05
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