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【简答题】
我联发科该喝咖啡过后过开课的发送到了地方官三顿饭离开了
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皮皮学刷刷变学霸
举一反三
【多选题】假设检验中的显著性水平α表示( )。
A.
原假设为真时拒绝原假设的概率不超过α
B.
犯第一类错误的概率不超过α
C.
犯第二类错误的概率不超过1一α
D.
当原假设不真时接受原假设的概率不超过α
E.
犯两类错误的概率之和不超过α
【单选题】I suddenly realized that he was trying to ______ quarrelling with me.
A.
consider
B.
enjoy
C.
avoid
D.
prevent
【单选题】Why did Miguel change his mind and take part in the fashion show?
A.
He was trying to make Leanna smile.
B.
He had to take Glenn’s place.
C.
He was eager to be a model for a long time.
D.
Mr. Ashby and Leanna begged him to.
【多选题】关于控制图两类错误的说法，正确的有（ ）。
A.
对于常规单值控制图，犯第－类错误的概率a约为0．27％
B.
对于常规均值控制图，犯第二类错误的概率β约为0．27％
C.
控制图控制限界内点排列异常的判异准则可以减少第二类错误
D.
调整上下控制限之间的距离会改变两类风险的大小
E.
增加样本量可以同时降低犯两类错误的概率
【单选题】The thief had himself _____ by the police when he was trying to break into the hotel.
A.
to spot
B.
to be spotted
C.
spotted
D.
being spotted
【单选题】Creating so much confusion, Mason realized he had better make ______ what he was trying to toll the audience.
A.
exclusive
B.
explicit
C.
objective
D.
obscure
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