- CFA Exams
- CFA Level I Exam
- Topic 1. Quantitative Methods
- Learning Module 9. Parametric and Non-Parametric Tests of Independence
- Subject 2. Test of Independence Using Contingency Table Data
CFA Practice Question
Suppose a study of speeding violations and drivers who use cell phones produced the following fictional data:
The probability that a person is a car phone user GIVEN a person had a violation in the last year is:
A. 25/70
B. 25/755
C. 25/305
Explanation: The sample space is reduced to the number of persons who had a violation.
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