题目
Let A and B be two mutually exclusive events with P(A) = 0.20 and P(B) = 0.30. Therefore:
选项
A.P(B
A) = 0.20
B.P(A and B) = 0
C.P(A or B) = 0.52
D.P(A and B) = 0.06
答案
B
解析
If the two evens are mutually exclusive, the probability of both ocurring is zero如果两个事件互斥，则两者同时发生的可能性为零