1. QUESTION 1 For firm S there is a 70% probability that the firm will have a 20% return and a 30% probability that the firm will have a -30% return. The standard deviation for the return on firm S is closest to: CA 23.0 % CB 5.25 ' % CC 15.0 % CD 10.0 % CE. 100 % QUESTION 2 1 points 1. The returns on your portfolio over the last 5 years were -5%, 20%, 0%, 10% and 5%. What is the standard deviation of your return? CA 2.74 . % CB 5.21 . % CC 9.62