【判断题】总体平均数为 100 ,方差为 18 ,从中抽取容量为 9 的样本,则 所有可能 样本平均数的平均数为 100。
【简答题】在建设工程施工专业分包合同中,其合同的当事人是( )。
【单选题】总体平均数为 100 ,方差为 18 ,从中抽取容量为 9 的样本, 所有可能 样本平均数 的方差 为
【简答题】莫高窟位于敦煌市东南,距城约25公里,洞窟开凿在鸣沙山东麓的断崖上,始建于什么时期?
【单选题】Was the film Saving Private Ryan another big success for Hanks? Why?
A.
Yes, because Hanks won another Best Actor nomination.
B.
Yes, because it is the finest war film.
C.
Yes, because Spielberg won his second Academy Award for direction.
【多选题】建设工程施工劳务分包合同的当事人包括()。
【单选题】Which of the following is the reason for people's dissatisfaction with traditional hanks?
A.
Their business hours are limited.
B.
Their safety measures are inadequate.
C.
Their banking procedures are complicated.
D.
They don't have enough service windows.