A portfolio comprises Snap (beta of 1.1) and Amazon (beta of 0.5). The amount invested in Snap is $2,000 and in Amazon is $3,000. What is the beta of the portfolio? O 0.74 O 0.84 o oo 0.79 0.94 Your stock investments return 0%, 8%, 12%, and -4% in consecutive four years. What is the historical variance of your investment? O 160.00%^2 40.00%^2 70.13%^2 53.33%^2 Increasing the number of stocks in the portfolio will increase the standard deviation o the portfolio. O True O False