Jxsolvez

10.03.2020 • 

Mathematics

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?

Ответ:

msprincessswag6553

22.11.2020

Mathematics

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x = -1

Step-by-step explanation:

2x-3= - 4x+92x+4x = -9 + 36x = -9 + 36x/6 = -6/6x = -1

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