I would like to know how these 3 questions are solved, and what the answers are. Based on the following information, calculate the expected return and standard deviation of returns for each of the following stocks. Assume that each state of the economy is equally likely to happen. What are the covariance and correlation between the returns of the two stocks?   Economic state Return on stock A Return on stock A Bull 6% 23% Regular 12% 14% Bear 8% -7%     Stock T has a beta of 0.75. If the T-bill rate is 4% and market rate of return is 11%, what would be the expected return on stock T?   An asset has an expected rate of return of 13%. If the T-bill rate is 7% and the asset’s beta is 1.25, what would be the market rate of return?   Assume that there are two portfolios, A and B, having expected returns of 14% and 15%, respectively. If the portfolios betas are 1 and 1.25, respectively what would be the risk-free rate (Rf)?

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