[計量] 請問一題計量 (排列組合)

看板GRE (GRE入學考試)作者 (Fender)時間15年前 (2010/09/25 11:42), 編輯推噓0(000)
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排列組合一直是我的大罩門 P C常常搞混~"~ A box contains 100 balls, numbered from 1 to 100. If there balls are selected at random and with replacement from the box, what is the probability that the sum of the three numbers on the balls selected from the box will be odd? 感謝解答 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 218.166.117.200
文章代碼(AID): #1CdM-u98 (GRE)
文章代碼(AID): #1CdM-u98 (GRE)