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求常態分配計算過程
Aug 21st 2013, 08:27

有批材料檢驗之品質特性呈平均值為100cm之常態分配，其品質特性小於橫坐標值98.04cm之面積約佔全面積2.5%，

(1) 試估計品質特性高於100之百分比為何?
(2) 試問品質特性大於橫坐標值101.96cm之面積約佔全面積之百分比為何?
(3) 此材料檢驗之品質特性介於97cm至102cm間所佔比例為何?

請求高手幫忙解答 ^-^

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