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【单选题】
在SQL Server 2000中，简单的数据库可以______
A.
只有一个主数据文件和一个事务日志文件
B.
只有一个辅助数据文件和一个事务日志文件
C.
只有一个辅助数据文件和至少2个事务日志文件
D.
只有一个主数据库文件和一个辅助数据文件
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【单选题】What is the 95% confidence interval of coefficient lotsize, if the 97.5% critical value is 1.99 and the 95% critical value is 1.66?
A.
[0.0011,0.0031]
B.
[0.0009,0.0033]
C.
[0.0011, 0.0033]
D.
[0.0009,0.0031]
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【判断题】A market researcher computed a confidence interval for a population proportion using a 95% confidence level. Her boss decided that she wanted a 99% confidence level instead. The new interval with 99% ...
A.
正确
B.
错误
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【多选题】地球表层系统包括以下哪几项?()
A.
地球内部
B.
地球表面上一定厚度范围
C.
地球表面下一定厚度范围
D.
高空
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【判断题】A 95% confidence interval estimate for a population mean is determined to be 75 to 85. If the confidence level is reduced to 80%, the confidence interval for μ becomes narrower.
A.
正确
B.
错误
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【单选题】Which one is correct bellow for the 95% confidence interval of mean?
A.
95% CI is wider than a 99% CI.
B.
95% CI will include the sample mean with a probability of 95%.
C.
95% CI will include 95% of the observations of a sample
D.
95% CI will include the population mean with a probability of 95%.
查看完整题目与答案
【单选题】Dose the constructed confidence interval include the population mean under the 95% confidence level?
A.
Yes
B.
No
C.
uncertain
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【多选题】地球表层系统包括___。
A.
土壤圈
B.
水圈
C.
生物圈
D.
智慧圈
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【多选题】下列玉石中,折射率高于蛇纹石玉的有:
A.
翡翠
B.
和田玉
C.
玉髓
D.
葡萄石
查看完整题目与答案
【单选题】Which one is correct bellow for the 95% confidence interval of mean?
A.
B.
the population mean has a probability of 95% to appear in its 95% CI
C.
95% CI will include 95% of the observations of a sample
D.
95% CI will include the population mean with a probability of 95%
查看完整题目与答案
【判断题】For a given data set, the confidence interval will be wider for 95% confidence than for 90% confidence.
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】What is the 95% confidence interval of coefficient lotsize, if the 97.5% critical value is 1.99 and the 95% critical value is 1.66?
A.
[0.0011,0.0031]
B.
[0.0009,0.0033]
C.
[0.0011, 0.0033]
D.
[0.0009,0.0031]
查看完整题目与答案
【判断题】A market researcher computed a confidence interval for a population proportion using a 95% confidence level. Her boss decided that she wanted a 99% confidence level instead. The new interval with 99% ...
A.
正确
B.
错误
查看完整题目与答案
【多选题】地球表层系统包括以下哪几项?()
A.
地球内部
B.
地球表面上一定厚度范围
C.
地球表面下一定厚度范围
D.
高空
查看完整题目与答案
【判断题】A 95% confidence interval estimate for a population mean is determined to be 75 to 85. If the confidence level is reduced to 80%, the confidence interval for μ becomes narrower.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which one is correct bellow for the 95% confidence interval of mean?
A.
95% CI is wider than a 99% CI.
B.
95% CI will include the sample mean with a probability of 95%.
C.
95% CI will include 95% of the observations of a sample
D.
95% CI will include the population mean with a probability of 95%.
查看完整题目与答案
【单选题】Dose the constructed confidence interval include the population mean under the 95% confidence level?
A.
Yes
B.
No
C.
uncertain
查看完整题目与答案
【多选题】地球表层系统包括___。
A.
土壤圈
B.
水圈
C.
生物圈
D.
智慧圈
查看完整题目与答案
【多选题】下列玉石中,折射率高于蛇纹石玉的有:
A.
翡翠
B.
和田玉
C.
玉髓
D.
葡萄石
查看完整题目与答案
【单选题】Which one is correct bellow for the 95% confidence interval of mean?
A.
B.
the population mean has a probability of 95% to appear in its 95% CI
C.
95% CI will include 95% of the observations of a sample
D.
95% CI will include the population mean with a probability of 95%
查看完整题目与答案
【判断题】For a given data set, the confidence interval will be wider for 95% confidence than for 90% confidence.
A.
正确
B.
错误
查看完整题目与答案