Mathematics, 26.01.2021 19:50, kimberlylove387
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?
Answers: 3
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3. A survey of 640 people reports that 458 are willing to contribute to a charity. What
is the marg...
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