3. A survey of 640 people reports that 458 are willing to contribute to a charity. What is the margin of error for this survey in order to achieve a 95% confidence level in
the estimate of the portion of the population willing to contribute to a charity?

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Jazzy2006

06.09.2022

Mathematics

1,3,5

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3. A survey of 640 people reports that 458 are willing to contribute to a charity. What is the margin of error for this survey in order to achieve a 95% confidence level in the estimate of the portion of the population willing to contribute to a charity?