- CFA Exams
- CFA Level I Exam
- Topic 1. Quantitative Methods
- Learning Module 4. Common Probability Distributions
- Subject 1. Introduction and Discrete Random Variables
CFA Practice Question
What is the principal distinction between a discrete and continuous random variable? Give an example of each.
Correct Answer: A discrete random variable can assume a countable number of values, while a continuous random variable can assume an infinite number of values.
Examples of a discrete random variable:
- the number of heads obtained when a coin is flipped three times.
- the number that turns up when a die is rolled.
- the number of people waiting in line at a movie theater
- the height of a person.
- the amount of rainfall.
- time required to run a mile.
User Contributed Comments 4
| User | Comment |
|---|---|
| cleopatraliao | no.of quarterbacks+the age of quarterbacks... |
| lordcomas | The number of states in a country; the amount of money that there is in a bank |
| DustinErik | lol cleopatraliao |
| ashish100 | lol |