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【单选题】
下列有关置信区间的描述中,正确的有A.
在一定置信度时，以测量值的平均值为中心的包括真值的范围即为置信区间
B.
真值落在某一可靠区间的几率即位置信区间
C.
其他条件不变时，给定的置信度越高，平均值的置信区间越宽
D.
平均值的数值越大，置信区间越宽
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反馈参考答案：
举一反三
【简答题】Listen to the dialogues and fill in the blanks. S: Aunt Cindy, do you shop ___________ often? C: Yes. It’s very convenient and the price is even ___________. S: Last week, I tried to buy some books on...
【判断题】能正确表达逻辑关系“0
A.
正确
B.
错误
【单选题】能正确表达逻辑关系“0
A.
(0
B.
(a>0&&a<1)&&(b>0&&b<1)
C.
(a>0&&a<1)||(b>0&&b<1)
D.
(a>0||a<1)&&(b>0||b<1)
【简答题】Dialogue 1 (S = Sam C = Cindy) S : Aunt Cindy, do you shop __________ often? C : Yes. It’s very convenient and the price is even _________ . S : Last week, I tried to buy some books online, but I didn...
【判断题】能正确表达逻辑关系“0
A.
正确
B.
错误
【简答题】Listen to the dialogues and fill in the blanks. Dialogue 1 S: Aunt Cindy, do you shop ___________ often? C: Yes. It's very convenient and the price is even ___________. S: Last week, I tried to buy so...
【简答题】Listen to the dialogues and fill in the blanks. Dialogue 1 S: Aunt Cindy, do you shop ______1_____ often? C: Yes. It’s very convenient and the price is even _____2______. S: Last week, I tried to buy ...
相关题目：
【判断题】能正确表达逻辑关系“0
A.
正确
B.
错误
【单选题】能正确表达逻辑关系“0
A.
(0
B.
(a>0&&a<1)&&(b>0&&b<1)
C.
(a>0&&a<1)||(b>0&&b<1)
D.
(a>0||a<1)&&(b>0||b<1)
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