- CFA Exams
- CFA Level I Exam
- Topic 1. Quantitative Methods
- Learning Module 3. Probability Concepts
- Subject 1. Introduction
CFA Practice Question
Which of the following is correct about a probability distribution?
II. The probability of each outcome must be between 0 and 1 inclusive.
III. Outcomes must be mutually exclusive.
I. The sum of the probabilities of all possible outcomes must equal 1.
II. The probability of each outcome must be between 0 and 1 inclusive.
III. Outcomes must be mutually exclusive.
A. I and II
B. I and III
C. I, II and III
Explanation: All these statements describe properties of a probability distribution.
User Contributed Comments 4
User | Comment |
---|---|
vicks | probability of each outcome is between 0 and 1 and not inclusive. the ans is wrong |
lilbut | no.. the probability of an outcome cannot be exclusive.. |
bwbarksdale | II is correct b/c the probability of something occuring could be 0, 1, or somewhere in between. |
GinnyB | Indeed, the probabilities will include 0 (impossible) and 1 (definite). |