you are considering investing in a project with the following possible outcomes: states probability of occurrence investment returns state 1: economic boom 18% 20% state 2: economic growth 42% 16% state 3: economic decline 30% 3% state 4: depression 10% -25% calculate the expected rate of return and standard deviation of returns for this investment, respectively. group of answer choices 7.35%, 12.99% 3.50%, 1.69% 8.72%, 12.99% 2.18%, 1.69%