Turbo Inc is considering an investment in one of two portfolios: Portfolio Alfa Portfolio Beta Probability Return Probability Return 0,2 -2% 0,1 5% 0,5 19% 0,3 7% 0,3 25% 0,4 12% 0,2 14 Given the information that follows, which investment is better, based on risk (as a measured by standard deviation) and the expected rate of return? Picture the problem, decide on a solution strategy, solve and analyze.