[機統] 一題問題請教

看板Math作者 (幸運愛)時間10年前 (2015/09/30 11:10), 10年前編輯推噓0(0推 0噓 1→)
留言1則, 1人參與, 最新討論串1/1
an urn contains two white balls and two black balls,A number is randomly chosen from he set(1,2,3,4)and many balls are removed from the urn. Find the probability that the number i,i=1,2,3,4 was chosen if a least one white ball was removed from the urn. 麻煩 謝謝了！ -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 223.136.25.74 ※ 文章網址: https://www.ptt.cc/bbs/Math/M.1443582611.A.29E.html ※ 編輯: BROVEFUCK (223.136.25.74), 09/30/2015 11:10:57
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09/30 22:38, , 1F
貝氏定理吧.
09/30 22:38, 1F
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文章代碼(AID): #1M2rAJAU (Math)