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Basic Question 1 of 6
There are ten marbles in a box: one red, three yellow, and six blue. You pick one marble from the box for 75 cents. You win $5 if you pick a red marble, $1 if you pick a yellow marble, and nothing if you pick a blue marble. If you play the game once, what is your expected net gain?
B. $1.25
C. $0.05
A. $0.35
B. $1.25
C. $0.05
User Contributed Comments 3
User | Comment |
---|---|
wundac | much more logical with real numbers |
khalifa92 | then read the example in LOS |
thevinu | Weighted Avg - Cost |

I am happy to say that I passed! Your study notes certainly helped prepare me for what was the most difficult exam I had ever taken.

Andrea Schildbach
Learning Outcome Statements
calculate expected values, variances, and standard deviations and demonstrate their application to investment problems
CFA® 2025 Level I Curriculum, Volume 1, Module 4.