5-

Consider the following two investments

		Stock A	Stock B
Economy	Probability	Return	Return
Recession	.25	-30%	-5%
Mild Growth	.20	2%	3%
Steady Growth	.35	10%	5%
Rapid Growth	.20	25%	8%

What is the standard deviation of the return of Stock A? (round to two digits, e.g. 5.18%)