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The average (arithmetic mean) value of x in the frequency distribution above is 0. If a value of x is to be selected at random from the distribution, which of the following events is most likely?

A.The value of x will be less than the mean.
B.The value of x will be greater than or equal to the mean.
C.The value of x will be at most one unit away from the mean.
D.The value of x will be at least two units away from the mean.
E.The value of x will be one or two units away from the mean.

D显示答案

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· 相关考点

6.4.1 古典概率

以上解析由考满分老师提供。

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