For the joint distribution function f(x,y)= 2/5(x+y2) for 0≤x≤1, 0≤y≤1 and 0 otherwise Find P(X+Y<1)

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A: The joint probability function is  f(x, y)=2        for x≥0,y≥0,x+y≤1 0       otherwise

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Q: The joint distribution function is equal to Fx,y (x, y) = f* fx₁y (x, y) dx dy

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Q: Use the F-Distribution Table to find the Right Tail Critical Value α=0.025,dfN=3,dfD=24.Fo=

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