CFA Practice Question

There are 434 practice questions for this study session.

CFA Practice Question

Which set of circumstances is most likely to result in a narrow confidence interval?
A. large n and a degree of confidence of 0.95
B. large n and a degree of confidence of 0.99
C. small n and a degree of confidence of 0.95

User Contributed Comments 3

User Comment
danlan The smaller the confidence coefficient, the narrower interval is;
The larger sample size is, the narrower interval is.
homersimpson to be more precise (narrower confidence level), the probability of type 1 error increases
homersimpson we have to be less sure to be sure!
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