皮皮学，免费搜题
登录
搜题
【单选题】
设二维随机变量 的联合分布律为 , 则 a = ( ),b = ( )A.
1/4；1/6
B.
1/4；1/3
C.
1/3；1/4
D.
1/6；1/4
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】I stand _____ my father _____ my mother in the picture of my family. [ ]
A.
between, with
B.
between, and
C.
from, and
【判断题】The median of a data set with 20 items would be the average of the 10th and the 11th items in the ordered array.
A.
正确
B.
错误
【简答题】phr. 照管
【简答题】Please ship the goods we ordered in one lot.
【简答题】Stylistics ysis involves ____________________ , ___________________ and _________ and the three parts are logicalled ordered .
相关题目：
参考解析：
知识点：
题目纠错 0
发布
