2 |
3 |
1 |
3 |
C | 23 |
2 |
3 |
1 |
3 |
2 |
3 |
8 |
27 |
8 |
27 |
C | 24 |
1 |
3 |
2 |
3 |
1 |
3 |
8 |
81 |
8 |
81 |
C | 33 |
2 |
3 |
8 |
27 |
C | 23 |
2 |
3 |
1 |
3 |
2 |
3 |
8 |
27 |
C | 24 |
2 |
3 |
1 |
3 |
2 |
3 |
16 |
81 |
8 |
27 |
8 |
27 |
16 |
81 |
64 |
81 |
17 |
81 |
A.至多有一次中靶 | B.两次都中靶 |
C.只有一次中靶 | D.两次都不中靶 |
A.若P(A)=1.则P(
| ||||
B.事件A、B、C两两互斥,则事件A与B+C互斥 | ||||
C.事件A与B对立,则P(A+B)=1 | ||||
D.若A与B互斥,则
|
1 |
3 |
1 |
2 |
1 |
6 |
1 |
4 |
1 |
2 |
1 |
4 |
1 |
2 |
1 |
16 |
A.
| B.
| C.
| D.
|
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