Given \(\mu = 25\) and \(\sigma = 4\) compute
\begin{equation*} P(X \lt \mu) \end{equation*}
\begin{equation*} P( X \gt 26) \end{equation*}
\begin{equation*} P( X \gt 22) \end{equation*}
\begin{equation*} P( 20 \le X \le 26) \end{equation*}