设ε的密度函数为p(x)={1/2,x∈[0,2],{0,其他,则ε的数学期望Ee=()
A.1/2
B.1
C.2
D.4
正确答案是B
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/272436.html
上一篇:当前行动研究的最主要议题是_______
下一篇:Passage One Social anxiety is the single most commonpsychological problem, according to the 1986 results of the Stanford shynessinventory, a survey conducted by Philip G.Zimbardo, a professor of socialpsychology at Stanfo
Passage One Social anxiety is the single most commonpsychological problem, according to the 1986 results of the Stanford shynessinventory, a survey conducted by Philip G.Zimbardo, a professor of socialpsychology at Stanfo