2. 外语
  3. Let A, B, C, and D be events for which P(A or B)- 0.6, P{A)= 0.2, P(C or D)= 0.6, and P(C)= 0.5. The events A and B are mutually

Let A, B, C, and D be events for which P(A or B)- 0.6, P{A)= 0.2, P(C or D)= 0.6, and P(C)= 0.5. The events A and B are mutually

admin2015-04-10  44
问题 Let A, B, C, and D be events for which P(A or B)- 0.6, P{A)= 0.2, P(C or D)= 0.6, and P(C)= 0.5. The events A and B are mutually exclusive, and the events C and D are independent.
(a)Find P(B)
(b)Find P(D)
选项
答案0.4
解析
转载请注明原文地址:https://kaotiyun.com/show/XukO777K
本试题收录于： GRE QUANTITATIVE题库GRE分类
0

GRE QUANTITATIVE

GRE

相关试题推荐
随机试题
最新回复(0)