feat(proposal): update presentation and question statement

proposal/proposal.tex

@@ -191,9 +191,9 @@ this time.
 
 Overall, the proposed research is aimed at answering the following scientific inquiries:
 \begin{enumerate}
+    \item What are the challenges of developing and utilizing a remote patient monitoring system using smart medical sensors, given the currently available technology?
     \item Can smart medical sensors be used effectively to determine MEWS remotely for patients discharged from A\&E, hospital wards and
         ambulant care?
-    \item Can RPM be used to potentially reduce the frequency of necessary follow-up visits for patients at risk?
 \end{enumerate}