Rosenfeld Corp believes the following probability distribution exists for its stock. What is the coefficient of variation on the company's stock? Do not round your intermediate calculations.

State of the Economy	Probability of State Occurring	Stock's Expected Return
Boom	0.40	27%
Normal	0.40	16%
Recession	0.20	5%

0.45

0.53

0.55

0.58

0.48