QuestionThe joint PDF of two continuous random variables XX and YY is given by fXY(x,y)={4xy174,0≤x≤17, 0≤y≤17,0,otherwise.f_{XY}(x,y)=\begin{cases}\dfrac{4xy}{17^4}, & 0\le x\le 17,\ 0\le y\le 17,\\ 0, & \text{otherwise.}\end{cases} Are XX and YY independent?
