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Here are summary statistics for randomly selected weights of newborn girls: n = 250, x = 29.5 hg, s =7.7 hg. Construct a confidence interval

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Here are summary statistics for randomly selected weights of newborn girls: n = 250, x = 29.5 hg, s =7.7 hg. Construct a confidence interval estimate of the mean. Use a 99% confidence level. Are these results very different from the confidence interval 27.8 hg

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