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Competitive Stats
Q21Section I (Objective (Q1–Q80))21 of 80

Statistics — conditional expectation from a joint pdf

The random variables XX and YY have joint p.d.f.

f(x,y)=13(x+y);0≤x≤1,0≤y≤2f(x,y)=\frac13(x+y);\qquad 0\le x\le1, 0\le y\le2

What is the value of E[Y∣X=2]E[Y\mid X=2]?

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