问题 单项选择题

An analyst does research about common probability distributions. Which of the following provides the probability of a range of outcomes()

A. Probability function.

B. Probability density function.

C. Bernoulli function.

答案

参考答案:B

解析:

描述一个区间结果的概率是用概率密度函数来表达的,并用于连续随机变量。概率函数在离散情况下是用于描述某个取值的概率,累计概率函数是描述小于或等于某个数值的概率。

解答题
单项选择题