皮皮学，免费搜题
登录
搜题
【单选题】
在抽样推断中,总体参数是一个( )。A.
未知的量 B、已知的量
B.
随机变量 D、统计量
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
【简答题】Roman soldiers in some places built long rows of signal towers. When they had a message to send, the soldiers shouted it from tower to tower. If there were enough towers and enough soldiers with loud ...
【单选题】In the passage below, the word they refers to: Bernays then sent the results of the survey to 5,000 other doctors, along with a brochure suggesting that bacon and eggs were an excellent "large breakfa...
A.
patients
B.
researchers
C.
salespeople
D.
doctors
【单选题】听力原文：W: I sent my son to a private boarding school, and they charged me a large sum of money. Do you know how much it costs a year? ＄15,000! M: But I think the tuition is worth every penny of it. How ...
A.
He agrees with the woman.
B.
He thinks they have no money to keep the school.
C.
He thinks the tuition is reasonable.
D.
He thinks the tuition is too expensive.
【简答题】A few people were having dinner in a restaurant. While they were eating fish, they began to tell stories about finding valuable stones inside fish. An old man said at last. “ Now I'm going to tell you...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
