E(R1)=0.09E(R2)=0.13E(1)=0.02E(2)=0.04 returns of a two-stock portiolio to three decimal places and answers for expected standard deviations of a two-stock portfolio to four decimal places. a. r1,7=1.DD Expected retum of a two-stock portfollo: Expected standard deviation of a two-stock portfolio: b. r1,7=0.75 Expected retunn of a two-stock portfolio: Expected standard devlation of a two-stock portfolio: c. r1.2=0.20 Expected return of a two-stack portfolio: Expected standard deviation of a two-stock portfalio: d. r1.2=0.00 Expected return of a two-stack portfolio: Expected standard deviation of a twa-stock portfalia: e. r1.2=0.20 Expected retum of a two-stock portfollo: Expected standard deviation of a two-stock portfalie: 1. r1.2=0.75 Expected retum of a two-stock portfolio: Expected standard deviation of a two-stock portiolio: g. r1.2=1.00 Expected retum of a two-stock portfolio: Expected standard deviation of a two-stock portiolio