1. X and Y are independent with f (x)=u(x-1)-u(x-2), fy(y)=u(y)-u(y-1). Z=X+Y. Find fz(z) by (1) Convolution Method. f,(z)=f (z)*fy(z)=] fx(a)fy(z-a)da (2) Geometric Method
1. X and Y are independent with f (x)=u(x-1)-u(x-2), fy(y)=u(y)-u(y-1). Z=X+Y. Find fz(z) by (1) Convolution Method. f,(z)=f (z)*fy(z)=] fx(a)fy(z-a)da (2) Geometric Method
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