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Cov(X,Y)。
分类:
概率论与数理统计(经管类)(04183)
发表:2024年09月12日 08时09分20秒
作者:
admin
阅读:
(9)
设随机变量x的分布律为
.记
,求:
Cov(X,Y)。
【正确答案】:
【题目解析】:
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