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QUESTION
Luis Suarez has 5 shares of stock A and 10 shares of stock B. The mean and variance for stock A are $50 and 30, respectively, while for stock B they...
Luis Suarez has 5 shares of stock A and 10 shares of stock B. The mean and variance for stock A are $50 and 30, respectively, while for stock B they are $60 and 20. The covariance is 20.
a) Find the mean value for the portfolio.
b) Find the variance for the portfolio.
