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43. A recent news program reported that the presidential approval rate was 51% with a margin of error of ± 4%. What is meant by ± 4%? The proportion of Americans who approve the president is between 47% and 55%. The president's approval rating from those sampled was between 47% and 55%. 4% of the respondents were undecided. Unless the true proportion of Americans who approve of the president is between 47% and 55%, it is unlikely we could have obtained from these sample results.

43. A recent news program reported that the presidential approval rate was 51% with a margin of error of ± 4%. What is meant by ± 4%? The proportion of Americans who approve the president is between 47% and 55%. The president's approval rating from those sampled was between 47% and 55%. 4% of the respondents were undecided. Unless the true proportion of Americans who approve of the president is between 47% and 55%, it is unlikely we could have obtained from these sample results.

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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43. A recent news program reported that the presidential approval rate was 51% with a margin of error of + 4%. What is meant by + 4%? The proportion of Americans who approve the president is between 47% and 55%. The president's approval rating from those sampled was between 47% and 55%. 4% of the respondents were undecided. Unless the true proportion of Americans who approve of the president is between 47% and 55%, it is unlikely we could have obtained from these sample results.
Transcribed Image Text:43. A recent news program reported that the presidential approval rate was 51% with a margin of error of + 4%. What is meant by + 4%? The proportion of Americans who approve the president is between 47% and 55%. The president's approval rating from those sampled was between 47% and 55%. 4% of the respondents were undecided. Unless the true proportion of Americans who approve of the president is between 47% and 55%, it is unlikely we could have obtained from these sample results.
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