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| revprev | Admin | Jun 14'24 at 18:31 | −222 | ||
| revcur | Bot | (Created page with "<div class="d-none"><math> \newcommand{\NA}{{\rm NA}} \newcommand{\mat}[1]{{\bf#1}} \newcommand{\exref}[1]{\ref{##1}} \newcommand{\secstoprocess}{\all} \newcommand{\NA}{{\rm NA}} \newcommand{\mathds}{\mathbb}</math></div> In the hat check problem (see Example), it was assumed that <math>N</math> people check their hats and the hats are handed back at random. Let <math>X_j = 1</math> if the <math>j</math>th person gets his or her hat...") | Jun 9'24 at 4:23 | +650 |