Question: please answer question 9, 10 and 12 only Use the following data for Problems 9 through 14. Suppose that the index model for stocks (

Use the following data for Problems 9 through 14. Suppose that the index model for stocks \\( A \\) and \\( B \\) is estimated from excess returns with the following results: \beginarraylRA=3 9. What is the standard deviation of each stock? 10. Break down the variance of each stock into its systematic and firm-specific components. 11. What are the covariance and the correlation coefficient between the two stocks? 12. What is the covariance between each stock and the market index
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