Let X and Y be independent, taking on 1,2,3,4,5 with equal probabilities. E((X+Y)2)=?

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rob smith

4 weeks ago

Let X and Y be independent, taking on 1,2,3,4,5 with equal probabilities. E((X+Y)2)=?

Let X and Y be independent, taking on 1,2,3,4,5 with equal probabilities. E((X+Y)2)=?