If P(A) = 0.7, P(B) = 0.3, and P(B | A) = 0.4 find P(A and B).?
回答 (2)
2015-09-28 5:44 pm
✔ 最佳答案
P(B | A) = P(A and B) / P(A)0.4 = P(A and B) / 0.7
Therefore,
P(A and B) = 0.28
2015-09-28 5:43 pm
0.28
收錄日期: 2021-04-18 00:21:14
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150928093850AAeTsCH