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| revprev | Admin | Jun 13'24 at 1:13 | −186 | ||
| 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> Let <math>X_1</math> and <math>X_2</math> be independent random variables and let <math>Y_1 = \phi_1(X_1)</math> and <math>Y_2 = \phi_2(X_2)</math>. <ul><li> Show that <math display="block"> P(Y_1 = r, Y_2 = s) = \sum_{\phi_1(a) = r \atop \phi_2(...") | Jun 9'24 at 3:18 | +671 |