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）

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Exhibit 2 The following represents the probability distribution for the daily demand of computers at a local store.

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