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批踢踢實業坊 ask 板
 
[請問] 期望值小問題
Apr 14th 2015, 22:21, by a159753

作者a159753 (肥宅大叔)

看板ask

標題[請問] 期望值小問題

時間Tue Apr 14 22:20:57 2015

http://m.imgur.com/jKMt57Y 請問第一題E(X) 我怎麼算都是57.1 為什麼答案是58！！！！ 求解.... -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 114.44.141.250 ※ 文章網址: https://www.ptt.cc/bbs/ask/M.1429021260.A.BC4.html

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