Variance and standard deviation (expected).

Hull Consultants, a famous think tank in the Midwest, has provided probability estimates for the four potential economic states for the coming year. The probability of a boom economy is 10%, the probability of a stable growth economy is 15%, the probability of a stagnant economy is 54% and the probability of a recession is 21%. Calculate the variance and the standard deviation stock?

Investment	Forecasted Returns for Each Economy
	Boom		Stable Growth		Stagnant		Recession
Stock	24%		15%		3%		10%
Corporate bond	10%		8%		5%		4%
Government bond	9%		7%		4%		3%

What is the variance of the stock investment?

___%

(Round to five decimal places.)

What is the standard deviation of the stock investment?

___%

(Round to two decimal places.)