It's not a statistically random selection though. See the 1936 Literary Digest presidential election poll. (They polled 1/4th of the total number of eligible vo

It's not a statistically random selection though. See the 1936 Literary Digest presidential election poll. (They polled 1/4th of the total number of eligible voters, and of that number almost 1/4th responded. They were off by a 19% absolute polling error.) https://www.math.upenn.edu/~deturck/m170/wk4/lecture/case1.html https://www.math.upenn.edu/~deturck/m170/wk4/lecture/case1.h...