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【单选题】
某种产品要求其某项指标不得低于1600,现在从一批该产品中随机抽取26件,计算其指标平均值为1637。已知该产品的指标服从标准差σ=150的正态分布,试在显著性水平α=0.05下,判定这批产品为不合格的区域是:
A.
(-∞， -1.96)
B.
(-∞， -1.645)
C.
(1.645， +∞)
D.
(1.96， +∞)
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举一反三
【单选题】Which of the following statements is NOT true of Dennis Dammerman?
A.
He is now a GE's vice chairman.
B.
He is expected to leave GE to start a new financial services firm.
C.
He was once the chairman of GE Capital.
D.
He regards the reorganization of GE as an initiative of its own.
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【判断题】碘值越大,油脂的不饱和程度越大。
A.
正确
B.
错误
查看完整题目与答案
【简答题】如图G为△ABC的重心，GE ∥ AC，若S △ABC =36，则S △GDE =______．
查看完整题目与答案
【判断题】碘值越小,油脂的不饱和程度越大。
A.
正确
B.
错误
查看完整题目与答案
【判断题】碘值越大,油脂的不饱和程度越低
A.
正确
B.
错误
查看完整题目与答案
【判断题】碘值越大,表示油脂的不饱和程度越小;碘值越小,表示油脂的不饱和程度越大。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】Magicians ______ use techniques from science and the arts to deceive the mind and eye.
A.
generously
B.
genetically
C.
cleverly
D.
subsequently
查看完整题目与答案
【单选题】The reorganization will enable GE's chief executive to ______.
A.
quiet down the unrest in the world
B.
work in a more friendly business environment
C.
have more direct contact with GE's financial services teams
D.
appear less mysterious to the outside world
查看完整题目与答案
【单选题】What ’ s the difference between the Guan wares and the Ge wares? ( )
A.
No difference
B.
The Guan wares are much darker than the Ge wares
C.
The Ge glaze is full of minute bubbles while on the Guan wares all the bubbles seem to have burst either without trace or leaving behind them a faintly pitted surface
D.
There are iron lines on the Guan wares, but elaborate cobalt-blue (钴蓝) decorations on the Ge wares
查看完整题目与答案
【单选题】The authors of the book suggest the use of deaf subject because______.
A.
deaf people are generally introversive
B.
the auditory sense is an important factor in food evaluation
C.
they are more fastidious in their choice of foods
D.
All types of subjects should be used
查看完整题目与答案
相关题目：
【单选题】Which of the following statements is NOT true of Dennis Dammerman?
A.
He is now a GE's vice chairman.
B.
He is expected to leave GE to start a new financial services firm.
C.
He was once the chairman of GE Capital.
D.
He regards the reorganization of GE as an initiative of its own.
查看完整题目与答案
【判断题】碘值越大,油脂的不饱和程度越大。
A.
正确
B.
错误
查看完整题目与答案
【简答题】如图G为△ABC的重心，GE ∥ AC，若S △ABC =36，则S △GDE =______．
查看完整题目与答案
【判断题】碘值越小,油脂的不饱和程度越大。
A.
正确
B.
错误
查看完整题目与答案
【判断题】碘值越大,油脂的不饱和程度越低
A.
正确
B.
错误
查看完整题目与答案
【判断题】碘值越大,表示油脂的不饱和程度越小;碘值越小,表示油脂的不饱和程度越大。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】Magicians ______ use techniques from science and the arts to deceive the mind and eye.
A.
generously
B.
genetically
C.
cleverly
D.
subsequently
查看完整题目与答案
【单选题】The reorganization will enable GE's chief executive to ______.
A.
quiet down the unrest in the world
B.
work in a more friendly business environment
C.
have more direct contact with GE's financial services teams
D.
appear less mysterious to the outside world
查看完整题目与答案
【单选题】What ’ s the difference between the Guan wares and the Ge wares? ( )
A.
No difference
B.
The Guan wares are much darker than the Ge wares
C.
The Ge glaze is full of minute bubbles while on the Guan wares all the bubbles seem to have burst either without trace or leaving behind them a faintly pitted surface
D.
There are iron lines on the Guan wares, but elaborate cobalt-blue (钴蓝) decorations on the Ge wares
查看完整题目与答案
【单选题】The authors of the book suggest the use of deaf subject because______.
A.
deaf people are generally introversive
B.
the auditory sense is an important factor in food evaluation
C.
they are more fastidious in their choice of foods
D.
All types of subjects should be used
查看完整题目与答案