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11-01-2018
Mathematics

contestada

An unknown population proportion is estimated using a random sample of size ???? = 25. the 95% confidence interval found is an improvement over a previous study, which had found a wider confidence interval centered at the same sample proportion. which confidence interval is guaranteed to have been wider than the new estimate?

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themoorefamilia themoorefamilia

19-01-2018

The answer is a 99% confidence interval from a sample of size 16

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