A stock has the following probability distribution: If economy is good (the probability is 0.2), its expected stock return is 25%; if economy is on average (the probability is 0.6), its expected stock return is 8%; if economy is bad (the probability is 0.2), its expected return is -15%. Find the expected rate of return for the stock

		5.2%
		6.0%
		6.8%
		8.5%

Using the data from Question 33, find the standard deviation (risk) for the stock

		11.06%
		12.23%
		13.56%
		13.90%