Question: >>>> Use 5 decimal places for intermediate calculations, and round your final answers to 3 decimal places. X and Y are independent normal random variables

>>>> Use 5 decimal places for intermediate calculations, and round your

>>>> Use 5 decimal places for intermediate calculations, and round your final answers to 3 decimal places. X and Y are independent normal random variables with means wx = 7.5 and Hy = 17 and standard deviations o x = 7.8 and oy = 5.5. Let W = 20X 7Y - 3. Find the following: (a) The mean of W uw (b) The standard deviation of W: Ow= (c) P(20X 7Y > 3) =

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