A dice is rolled twice. Let X equal the sum of the outcomes, and let Y equal the first outcome minus the second. Com (a) E [X] = b) Var(Y) = O Cov(X.Y) =

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Q: In approximation of f(x)dx by Romberg Integration, if R,=0.25 and R21 =0.2525, then R22= O None of…

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