Let X represent the number that occurs when an 8-sided red die is tossed and Y the number that occurs when an 8-sided green die is tossed. Complete parts (a) and (b) below. (a) Find the variance of the random variable 5X-Y. 273 ox-Y = 2 (Simplify your answer.) (b) Find the variance of the random variable X+4Y-3. +4Y-3 = (Simplify your answer.) ...

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