A stocks return has the following range of outcomes and probabilities:

Outcomes Probability of the Outcome:

0.3 .20

.08 .40

.13 .40

Calculate the standard deviation (not the variance!) of the above return. Hint: Use the results from 13 above! Keep working in percentages instead of rates!

a. 0.00072

b. 0.00140

c. 0.03742

d. 0.02683

e. 0.01788