When A and B are mutually exclusive, P(A or B) can be found by adding P(A) and P(B).
A: 正确
B: 错误
A: 正确
B: 错误
举一反三
- When A and B are mutually exclusive, P(A or B) can be found by adding P(A) and P(B).
- If A and B are mutually exclusive events with P(A) = 0.70, then P(B)：（ ）
- If A and B are mutually exclusive events with P(A) = 0.70, then P(B)：（ ） A: can take any value between 0 and 0.70 B: cannot be determined from the information given C: cannot be larger than 0.30 D: can take any value between 0 and 1
- What are mutually exclusive investment projects? If two investment projects are mutually exclusive, that is to say, if we accept one of them, we can't accept another project. A: 正确 B: 错误
- When I found her she (concentrate) ________________ on her work. </p></p> ______