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【多选题】
在统计检验假设中,通常要对原假设作出判断,就有可能会犯错误。这些错误分别是 ( )A.
第一类错误
B.
第二类错误
C.
代表性错误
D.
系统错误
E.
判断错误
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举一反三
【单选题】Question 23 is based on the passage you have just heard .
A.
They have their weight reduced to minimum .
B.
They consume the energy stored before the long sleep .
C.
They can maintain their heart beat at the normal rate .
D.
They can keep their body temperature warm and stable .
【单选题】What is the most accurate method of obtaining project information that can reduce the amount of risk?
A.
Observations on the current project
B.
Determining the risk by using brainstorming techniques
C.
The use of historical data from previous projects that were similar in nature
D.
Sensitivity analysis
E.
Delphi technique
【简答题】某台变压器的型号是SL-1000/10,那么其额定容量为_________,其一次侧的额定电压为__________。
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