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Here are summary statistics for randomly selected weights of newborn​ girls: nequals220​, x overbarequals30.3 ​hg, sequals6.3 hg....

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Basic Math

Here are summary statistics for randomly selected weights ofnewborn​ girls: nequals220​, x overbarequals30.3 ​hg, sequals6.3hg. Construct a confidence interval estimate of the mean. Use a99​% confidence level. Are these results very different from theconfidence interval 29.0 hgless thanmuless than31.8 hg with only 18sample​ values, x overbarequals30.4 ​hg, and sequals2.1 ​hg? Whatis the confidence interval for the population mean mu​? nothinghgless thanmuless than nothing hg ​(Round to one decimal place as​needed.)

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Solution Given thatPoint estimate sample mean 303sample standard    See Answer
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