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\begin{document}
\begin{appendix}
\section*{Tavola della distribuzione normale}
Area (in percentuale) sotto la normale standard compresa tra 
due valori $-z$ e $+z$. 
I valori \textbf{in grassetto} indicano i valori di $z$ che corrispondono
ad aree tipiche.
\begin{small}
\begin{center}
\setlength{\tabcolsep}{20pt}
\begin{tabular}{cccccc}\\ \hline
  $z$  &    Area   &         &        $z$  &  Area  \\ \hline
  0.00  &   0.00   &         &     \textbf{1.645} & \textbf{90}       \\
  0.05  &   3.99   &         &       1.65  & 90.11 \\
  0.10  &   7.97   &         &       1.70  & 91.09 \\
\textbf{0.120}  &  \textbf{10}   &         &       1.75  & 91.99 \\
  0.15  &  11.92   &         &       1.80  & 92.81\\
  0.20  &  15.85   &         &       1.85  & 93.57\\
  0.25  &  19.74   &         &       1.90  & 94.26\\
\textbf{0.253} &  \textbf{20}   &         &       1.95  & 94.88\\
  0.30  &  23.58   &         &       \textbf{1.960} & \textbf{95}\\
  0.35  &  27.37   &         &       2.00  & 95.45\\
\textbf{0.385} &  \textbf{30}   &         &       2.05  & 95.96\\
  0.40  &  31.08   &         &       2.10  & 96.43\\
  0.45  &  34.73   &         &       2.15  & 96.84\\
  0.50  &  38.29   &         &       2.20  & 97.22\\
\textbf{0.524} &  \textbf{40}   &         &     \textbf{2.242} & \textbf{97.5}\\
  0.55  &  41.77   &         &       2.25  & 97.56\\
  0.60  &  45.15   &         &       2.30  & 97.86\\
  0.65  &  48.43   &         &       \textbf{2.326} & \textbf{98}\\
\textbf{0.674} &  \textbf{50}   &         &       2.35  & 98.12\\
  0.70  &  51.61   &         &       2.40  & 98.36\\
  0.75  &  54.67   &         &       2.45  & 98.57\\
  0.80  &  57.63   &         &       2.50  & 98.76\\
\textbf{0.842} &  \textbf{60}   &         &       2.55  & 98.92\\
  0.85  &  60.47   &         &       \textbf{2.576} & \textbf{99}\\
  0.90  &  63.19   &         &       2.60  & 99.07\\
  0.95  &  65.79   &         &       2.65  & 99.20\\
 1.00   &  68.27   &         &       2.70  & 99.31\\
\textbf{1.036} &  \textbf{70}   &         &       2.75  & 99.40\\
  1.05  &  70.63   &         &       2.80  & 99.49\\
  1.10  &  72.87   &         &       \textbf{2.813} &\textbf{99.5}\\
  1.15  &  74.99   &         &       2.85  & 99.56\\
  1.20  &  76.99   &         &       2.90  & 99.63\\
  1.25  &  78.87   &         &       2.95  & 99.68\\
\textbf{1.282} &  \textbf{80}   &         &       3.00  & 99.73\\
  1.30  &  80.64   &         &       3.05  & 99.77\\
  1.35  &  82.30   &         &       \textbf{3.090}  & \textbf{99.8}\\
  1.40  &  83.85   &         &       3.10  & 99.81\\
\textbf{1.440} &  \textbf{85}   &         &       3.15  & 99.84\\
  1.45  &  85.29   &         &       3.20  & 99.86\\
  1.50  &  86.64   &         &       3.25  & 99.88\\
  1.55  &  87.89   &         &     \textbf{3.291} & \textbf{99.9}\\
  1.60  &  89.04   &         &       3.30  & 99.90 \\  \hline
\end{tabular}
\end{center}
\end{small}
\end{appendix}
\end{document}

