Question: Let X = [X1, X2, X,]T be a 3-dimensional vector of random varialbes that is uniformly distributed over the unit sphere. That is, fx(x) =

Let X = [X1, X2, X,]T be a 3-dimensional vector of random varialbes that is uniformly distributed over the unit sphere. That is, fx(x) = > for 12 + x3+ 1251. Find the marginal PDF for a subset of two of the three random variables, fx, x, (x1, *2)

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