Syntex, Inc. is considering an investment in one of two common stocks. Given the information that follows, which investment is better, based on the risk (as measured by the standard deviation) and return?

Common Stock A	Common Stock B
Probability	Return	Probability	Return
0.20	10%	0.10	7%
0.60	17%	0.40	7%
0.20	21%	0.40	13%
		0.10	20%

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Part 1

a.Given the information in the table, the expected rate of return for stock A is

16.4016.40%.

(Round to two decimal places.)

Part 2

The standard deviation of stock A is

enter your response here%.

(Round to two decimal places.)