The CDF of a RV is $$ F_{X} (x)=\left\{\begin{array}{1} 0 (1/2) X+1 (1/2) W (1/2) 1 \end{array} ight. $$ - Sketch $F_{X} (x)$. - find the PDF $f_{X} (x$ and sketch it. - Find $PEX \geq 0]$. - Find $P\left( \frac{3}{2}