Re: [問題] I get a stupid question

看板CFAiafeFSA (精算師/基金經理人/銀行家)作者 (Cola)時間17年前 (2008/05/28 19:37), 編輯推噓1(100)
留言1則, 1人參與, 最新討論串3/3 (看更多)
※ 引述《acts (acts)》之銘言: : ※ 引述《acts (acts)》之銘言: : : A and B are Mutually exclusive : : C and D are Mutually exclusive : : if P(A) = 0.1 : : P(D) = 0.5 : : P(A and D) = 0.05 : : What is the probability for P(B and C) : : Help me thank you so much : Actually forget what the detail is for this problem. : I am so sorry : Is there anyone who could figure out how to get the answer for this : type of problem? 一直忘了要回這題 我已經把題目修正成合理的範圍了 ____ P(B∩C) = P(A∪D) 我想關鍵只有這個吧..由倆倆互斥可得知 1-P(B∩C) = P(A)+P(D)-P(A∩D) = 0.1+0.5-0.05 = 0.55 P(B∩C)=0.45 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 218.167.73.213

05/29 22:47, , 1F
謝謝,我懂了!!!你是好大人!!
05/29 22:47, 1F
文章代碼(AID): #18FKFVas (CFAiafeFSA)
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文章代碼(AID): #18FKFVas (CFAiafeFSA)