TeX source:

\begin{array}{l|cccccc}\bar{x} & 0 & 0.2 & 0.4 & 0.6 & 0.8 & 1 \\\hline P(\bar{x}) & 0.03 & 0.16 & 0.31 & 0.31 & 0.16 & 0.03\end{array}