how do we smooth a distribution why does smoothing out happen so rapidly? why does the cusp disappear how many uniforms does it take to smooth when does the cusp disappear when $z n$ smooths out where is the cusp in the pdf what's the cusp in the pdf of z_n$? why does smoothing out happen so quickly why does it take 4 uniforms why does the cusp disappear if you have a uniform distribution of n how many uniforms do you need to smooth out what are the uniforms on $z_n$ why does the cusp disappear in the pdf of $z_n$ when the cusp disappears why do we need just three uniforms? why does it take uniforms to smooth out like it does? how many uniforms to smooth out why do we use uniforms how many uniforms does it take for smoothing what is the sum of uniform random values when do uniforms disappear