题目内容
若随机变量X~B(5,
),那么P(X≤1)=______.
| 1 |
| 2 |
P(X≤1)=
(
)0(
)6+
(
)1(
)5=
故答案为:
| C | 06 |
| 1 |
| 2 |
| 1 |
| 2 |
| C | 16 |
| 1 |
| 2 |
| 1 |
| 2 |
| 3 |
| 16 |
故答案为:
| 3 |
| 16 |
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题目内容
| 1 |
| 2 |
| C | 06 |
| 1 |
| 2 |
| 1 |
| 2 |
| C | 16 |
| 1 |
| 2 |
| 1 |
| 2 |
| 3 |
| 16 |
| 3 |
| 16 |