单项选择题
A theorem that allows us to use thenormal probability distribution to approximate the sampling distribution of sample means and sample proportions whenever the sample size is large is known as the（）
A.approximation theorem
B.normal probability theorem
C.central limit theorem
D.central normality theorem
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相关考题
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单项选择题
The purpose of statistical inference is to provide information about the（）
A.sample based upon information contained in the population
B.population based upon information contained in the sample
C.population based upon information contained in the population
D.mean of the sample based upon the mean of the population -
单项选择题
If A and B are independent events，then（）
A.P（A） must be equal to P（B）
B.P（A） must be greater thanP（B）
C.P（A） must be less than P（B）
D.P（A） must be equal to P（A│B） -
单项选择题
Exhibit 2 The following represents the probability distribution for the daily demand of computers at a local store. Refer to Exhibit 2.The probability of having a demand for at least two computers is（）
A.0.7
B.0.3
C.0.4
D.1.0
