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| revprev | Admin | Jun 14'24 at 22:36 | −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</math> be a random variable with range <math>[-1,1]</math> and density function <math>f_X(x) = ax + b</math> if <math>|x| < 1</math>. <ul><li> Show that if <math>\int_{-1}^{+1} f_X(x)\, dx = 1</math>, then <math>b = 1/2</math>. </li>...") | Jun 9'24 at 3:25 | +751 |