4 points SA The annual returns of three stocks over a year period are given below Year Stock Stock Stockz 2017 8% 5% 2018 12 9 2019 1% Some wo portados. The brut portfolio has 20w wted in Stock X, and 40 in auch of Stoch vand 2. The second portfolio has come in stock som in stock Y and town stock z Which one FASO Both portfolios have standard deviations of less than The expected return of the second portfoto is more than double the expected return of the first ponto The more volatile portfolio Fiche expected return Both portfolios have standard deviations of over Tick here if you think that one of the same