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| revprev | Admin | Jun 15'24 at 2:05 | −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> Let <math>X</math> be a continuous random variable whose characteristic function <math>k_X(\tau)</math> is <math display="block"> k_X(\tau) = e^{-|\tau|}, \qquad -\infty < \tau < +\infty\ . </math> Show directly that the density <math>f_X</ma...") | Jun 9'24 at 4:31 | +558 |