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2.设随机变量X是非单点离散型分布,满足P{X =0}=1-P{X =1},且E(X)=3D(X)?
2.设随机变量X是非单点离散型分布,满足P{X=0}=1-P{X=1},且E(X)=3D(X)2.设随机变量X是非单点离散型分布,满足P{X=0}=1-P{X=1},且E...
2.设随机变量X是非单点离散型分布,满足P{X =0}=1-P{X =1},且E(X)=3D(X)2.设随机变量X是非单点离散型分布,满足P{X =0}=1-P{X =1},且E(X)=3D(X)
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