stock portfolio

Tania Collins has a 2-stock portfolio with a total value of $10,000. $3000 is invested in Stock A with a beta of 0.80 and the remainder is invested in Stock B with a beta of 1.40. What is her portfolio’s beta? just the answer Daniel Reynolds has 30% of his stock holdings in stock A with a beta of .70, 20% are in stock B with a beta of .80, and the remainder is in a stock with a beta of 1.10. To the nearest .01, what is the beta on the portfolio? Taggart Inc.’s stock has a 50% of producing a 25% return, a 30% chance of producing a 10% return, and a 20% chance of producing a -25% return. What is the firm’s expected rate of return?