[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]

Find the mean recurrence time for each state of Example for [math]a = .5[/math] and [math]b = .75[/math]. Do the same for general [math]a[/math] and [math]b[/math].