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

19%,

the probability of a stagnant economy is

47%,

and the probability of a recession is

24%.

Calculate the variance and the standard deviation stock?

Investment	Forecasted Returns for Each Economy
	Boom		Stable Growth		Stagnant		Recession
Stock	28%		15%		4%		11%
Corporate bond	10%		8%		6%		3%
Government bond	9%		7%		5%		2%

What is the variance of the stock investment?

enter your response here%

(Round to five decimal places.)

What is the standard deviation of the stock investment?

enter your response here%

(Round to two decimal places.)