Answered You can hire a professional tutor to get the answer.

# 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.