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| revprev | Admin | Jun 13'24 at 2:04 | −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> Four women, A, B, C, and D, check their hats, and the hats are returned in a random manner. Let <math>\Omega</math> be the set of all possible permutations of A, B, C, D. Let <math>X_j = 1</math> if the <math>j</math>th woman gets her own hat ba...") | Jun 9'24 at 4:17 | +585 |