设二维随机变量(X,Y)~N(0,0,4,4,0),则P{X﹥0}=____.
设二维随机变量(X,Y)~N(0,0,4,4,0),则P{X﹥0}=____.
【正确答案】:0.5

【题目解析】:由p=0,可知X ,Y相互独立,P{X﹥0} =1-P{ X≤0} =1-1/2=0.5

Top