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Mathematics, 10.03.2020 19:59 darriennichole

A. At one time during his term, President Bush's approval rating was 41 percent with a margin of error of plus or minus 3 points. Write this statement as a
confidence interval.
B. The article does not state the confidence level for the ratings. Use the margin of error to determine the standard error of the estimate (standard
deviation) if a 95% confidence level was used. What is the standard error if a 99% confidence level was used?

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