Stock w has the following returns for various states of the economy: state of the economy probability stock w's return recession 10% minus−30% below average 20% minus−2% average 40% 10% above average 20% 18% boom 10% 40% stock w's standard deviation of returns is
stock w's standard deviation of returns is
a. 17%.
b. 10%.
c. 20%
d. 14%.