Random variables X and Y have the means and standard deviations as given in the table to the right and Cov(X,Y) = 11,000. Use these parameters to find the expected value and SD of the following random variables that are derived from X and Y. Complete parts (a) through (d). Mean SD 3,000 5,000 400 Y 600 (а) Е(3X - 100) %3D 8900 SD(3X - 100) = 400 (Round to two decimal places as needed.)

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