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[請問] 求解一隨機抽樣題目(贈p幣稅後500元)
Oct 26th 2013, 13:10, by akimaeda 

題目如下：


老王養雞場養了20,000隻雞，買主欲向雞場購買200隻雞，
條件是必須以隨機抽樣方式選出200隻雞，並加付一成價金，
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