Ripken Iron Works believes the following probability distribution exists for its stock. What is the coefficient of variation on the company's stock?

State of the Economy	Probability of State Occurring	Stocks Expected Return
Boom	25%	25%
Normal	50%	15%
Recession	25%	5%

		0.4360
		0.4714
		0.5068
		0.5448
		0.5856