Investment X has a 25% chance of producing a 22% return, a 50% chance of producing a 17% return, and a 25% chance of producing a return of -8%. What is X's expected return? 9.33% 11.79% O 10.15% 9.75% 12.00% Investment X has a 25% chance of producing a 22% return, a 50% chance of producing a 17% return, and a 25% chance of producing a return of -8%. What's Investment X's standard deviation? 9.6% O 11.4% O 11.7% 10.7% O 12.8%