CFA Practice Question

There are 434 practice questions for this study session.

CFA Practice Question

Which of the following is (are) NOT (a) key property (properties) of a probability function?

I. Each individual probability must lie between 0 and 1 inclusive.
II. The sum of all probabilities over the entire range of the random variable must equal 1.

A. I only.
B. II only.
C. None of the above.
Correct Answer: C

User Contributed Comments 10

User Comment
surob Why II is incorrect?
surob Never mind. I should have read the question carefully.
eb2568 ...it happens to the rest of us
dnoyelles that's really annoying.
bobert NOT NOT NOT NOT.... hate that word
MattyBo 1. Can't have probability < 0%
2. Probability must add to 100%
Shalva I love this site
CFAonTheBrain i should read the question more carefully
AUAU TRICKY of "NOT"

CFAI exam like this kind of wordings. e.g. least likely, most likely, etc.
bundy Probability P(X=x) is a number btw 0 and 1
The sum of the probabilities P(X=x)over all values of x = 1
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