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  【Whatdoes"abagweighingwithin5%ofthemean"meanintheparagraphasbelow?Theweightofabagsofflourhasameanof5poundswithastandarddeviationof0.16ofapound.Giventheweightisnormaldistributed,whatistheprobabilityofabag】

  Whatdoes"abagweighingwithin5%ofthemean"meanintheparagraphasbelow?

  Theweightofabagsofflourhasameanof5poundswithastandarddeviationof0.16ofapound.Giventheweightisnormaldistributed,whatistheprobabilityofabagweighingwithin5%ofthemean?

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2020-04-26 20:51
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金鸿

  一包面粉的平均重量是5pound(偏差0.16/pound),这里考虑重量是正态分布,一包面粉重量在平均值的5%之内的概率是多少?

2020-04-26 20:54:14

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