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【简答题】
总体均值是50,标准差时8,从此总体中随机抽取容量为64的样本,则样本均指的抽样分布的数学期望为(),方差为()。
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【单选题】India Sports Industry International's research showed that annual sports spending in the U.S. is about 30 to 50 times more than that in India.
A.
Y
B.
N
C.
NG
【判断题】劳动合同期满,但双方约定的服务期尚未到期的,劳动合同应当延续至服务期满;双方另有约定的,从其约定。
A.
正确
B.
错误
【单选题】接触麻疹后多长时间行被动免疫可预防麻疹
A.
5天内
B.
7天内
C.
10天内
D.
12天内
【判断题】急性肾炎的病畜,临床上常表现为少尿。
A.
正确
B.
错误
【多选题】我国的会计年度之所以采用公历制,主要是与( )保持一致。
A.
我国计划年度
B.
国际会计惯例
C.
我国财政年度
D.
企业生产经营周期
【单选题】Ericsson's research showed that
A.
the potential world-class performer had spent more years practicing in school
B.
the student in the "good" group had not worked very hard
C.
the students in the "good" group were college freshman while the potential world-class performers were college juniors
D.
the students in the top group spent much more time practicing
【简答题】It's official — rich people really are stuck-up , at least according to one recent piece of research. A series of studies into unethical behaviour across the social classes has shown that posh people ...
【单选题】接触麻疹后多长时间行被动免疫可预防麻疹
A.
5天内
B.
7天内
C.
10天内
D.
12天内
E.
14天内
【单选题】为了提高效率、降低成本,供应链中的物流活动应该按照专业化原则进行组织,以配送中心为基础组织物流就是这种专业化要求的具体体现。( )
A.
正确
B.
错误
【简答题】Using a mobile phone before going to bed can damage your health , according to a major study . It says that radiation from the mobile phone can cause insomnia (失眠症) and headaches as well as cutting th...
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