Are x and y independent, A die is rolled twice. Let X

Are x and y independent

Reference no: EM13970257

A die is rolled twice. Let X denote the sum of the two numbers that turn up, and Y the difference of the numbers (specifically, the number on the first roll minus the number on the second). Show that E(XY ) = E(X)E(Y ). Are X and Y independent?

Reference no: EM13970257

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