某家庭电话在家里有人时,打进电话响第一声被接的概率为0.1,响第二声时被接的概率 发布时间:2017-05-12 10:51 │ 来源:www.tikuol.com 题型:选择题 问题: 某家庭电话在家里有人时,打进电话响第一声被接的概率为0.1,响第二声时被接的概率为0.3,响第三声时被接的概率为0.4,响第四声时被接的概率为0.1,那么电话在响前4声内被接的概率是A.0.622B.0.9C.0.0012D.0.0028
题型:选择题 I______ him not to go there, that is, my advice was that he______ there, but he wouldn’t listen to me.A.suggested; didn’t goB.hoped; not goC.wished; did goD.advised; not go 查看答案