\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
If the state space is indexed as \(1 = \text{Healthy}\) and \(2 = \text{Sick}\), and the vector is \(\pi_n = \begin{pmatrix} 0.85 & 0.15 \end{pmatrix}\), what is the value of \(P(X_n = \text{Sick})\)?