Re: [問題] I get a stupid question

看板CFAiafeFSA (精算師/基金經理人/銀行家)作者 (acts)時間17年前 (2008/05/25 21:16), 編輯推噓0(006)
留言6則, 3人參與, 最新討論串2/3 (看更多)
※ 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) = 0.45 : 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? -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 118.169.211.65

05/25 23:34, , 1F
你真的要硬解會發現很多矛盾的事 建議別裡它囉
05/25 23:34, 1F

05/26 00:44, , 2F
題目錯了:P(AandD)<=P(A) 沒有成立
05/26 00:44, 2F

05/26 21:28, , 3F
那如果P(A and D) = 0.25呢?
05/26 21:28, 3F

05/26 23:18, , 4F
0.25還是不合理阿 你說0.05好了
05/26 23:18, 4F

05/27 06:48, , 5F
a兄如果有數學上的問題,也許數學版可以得到的問答會快些
05/27 06:48, 5F

05/27 06:54, , 6F
哦sorry,我搞錯了,是a妹
05/27 06:54, 6F
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