According to the passage, which of the following is NOTTRUE________?
A. Some employees work longer hours for more money.
B. People may work overtime not just for money.
C. Some people are not willing to work unproductively in office.
D. Working hard or hardly working, companies should encourage both.
查看答案
分布函数F（x）是随机变量落入区间_______________内的概率。
设F（x）是分布函数，则F(+∞)=_________, F(-∞)=_______.
设F(x)是分布函数，则F（x）是__________函数。
分布函数具有()性质。
A. 有界性
B. 单调不减性
C. 连续性
D. 右连续性
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