- CFA Exams
- CFA Level I Exam
- Topic 1. Quantitative Methods
- Learning Module 4. Common Probability Distributions
- Subject 2. Probability Function
CFA Practice Question
That which specifies the probability that the random variable takes on a specific value is known as the ______.
A. probability function
B. probability density function
C. cumulative distribution function
Explanation: The probability function specifies the probability that the random variable takes on a specific value.
User Contributed Comments 3
| User | Comment |
|---|---|
| goalrush | What is the difference between pdf and pf ? |
| sonicskat | Only thing I can think of is that a pdf is for a continuous rv? I know thats not necessarily true. Looks like this would have even fooled the folks over at Wolfram: http://mathworld.wolfram.com/ProbabilityFunction.html |
| edrei7 | Probability density functions deal with continuous RVs. Probability mass functions deal with discrete RVs. |