Mandy has 2 Chinese books , 2 Eng books and 2 Maths books on her bookshelf. Suppose she randomly takes 2 books from the shelf to read.
let A be the event that the books selected are of the same subject, B be the event that two Mahts books are selected and C be the event that at least one language book is selected.find P(A｜B), P(B｜A), P(A｜C) and P(C｜A).
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2010-09-04 2:27 am
回答 (1)
2010-09-04 5:18 pm
✔ 最佳答案
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2010-09-04 09:18:30 補充：
http://img72.imageshack.us/img72/2329/12936081.png
收錄日期: 2021-04-23 23:22:39
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100903000051KK00948