I would like to know the answer and explanation of 7.73

IX 7.73 An investor is given the following information selected about the returns on two stocks: nutlacked January 20/032wordensys plan s blow oilotrog doidW . Stock mislox 1coord 2 Mean .09 13 Standard deviation .15 .21 Systerms SCO a. If the goal is to maximize returns, which stock intel should be selected? FLX) b. If minimizing risk is the goal, which stock of Slit of BUX should be chosen