1 . 设随机变量
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4174adc4523df6d279ceedce7eab52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbb9f29491bc28fe912dc5c934c8b01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491dfd95c03562e37b44a5a3fefc113e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4174adc4523df6d279ceedce7eab52.png)
A.0.6 | B.0.4 | C.0.3 | D.0.2 |
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2017-03-06更新
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5卷引用:人教A版(2019) 选修第三册 过关斩将 期末学业水平检测