Assume that X, Y, and Z are pairwise independent. In other words, each of the three random variables is independent with each of the other two. Given that E[XY] =651, E[XZ]-310, and E[IZ] 210, find E[Z]. O 8 9 10 O 11 O 12
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![Assume that X, Y, and Z are pairwise independent. In other words, each of the three random.
variables is independent with each of the other two. Given that E[XY]=651, E[XZ]=310, and
E[IZ]=210, find E[2].
08
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10
O 11
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- Find y if y = a² In æy=?. Please show all work!An automobile service facility specializing in engine tune-ups knows that 50% of all tune-ups are done on four-cylinder automobiles, 20% on six-cylinder automobiles, and 30% on eight-cylinder automobiles. Let X = the number of cylinders on the next car to be tuned. What is the pmf of X?