單項選擇題

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

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單項選擇題

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）

單項選擇題

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

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The purpose of statistical inference is to provide information about the（）

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If A and B are independent events，then（）

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（）

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If A and B are independent events，then（）

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（）