Find the mean and standard deviation of w

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The random variables X and Y are the share prices of two companies trading on the stock market such that X ~ N (25,92) and Y ~ N (40,] 12) . The correlation between the two stock prices is: ,0" = -0.4. A portfolio is made up of 20 shares of X and 30 shares of Y. It is expressed as the random variable: W = 20X + BOY. Find the mean and standard deviation of W.

Reference no: EM133076163

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