题目内容
已知事件A与B互斥,且P(A)=0.3,P(B)=0.6,则P(A|
)=______.
| . |
| B |
∵P(B)=0.6,∴P(
)=0.4.又事件A与B互斥,且P(A)=0.3,
∴P(A|
)=
=
=
.
故答案为:
.
| . |
| B |
∴P(A|
| . |
| B |
| P(A) | ||
P(
|
| 0.3 |
| 0.4 |
| 3 |
| 4 |
故答案为:
| 3 |
| 4 |
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题目内容
| . |
| B |
| . |
| B |
| . |
| B |
| P(A) | ||
P(
|
| 0.3 |
| 0.4 |
| 3 |
| 4 |
| 3 |
| 4 |