The lowest achievable risk in the case is:

1. 0
2. less than 0.05
3. less than 0.1
4. more than 0.11
5. more than 0.1 and less than 0.11

\begin{tabular}{|c|c|c|c|c|} \hline \multicolumn{5}{|c|}{ Table III } \\ \hline \multirow[t]{12}{*}{ XA } & & & P & EP \\ \hline & -0.4 & 1.4 & 0.126138 & 0.036000 \\ \hline & -0.3 & 1.3 & 0.116847 & 0.042000 \\ \hline & -0.2 & 1.2 & 0.109729 & 0.048000 \\ \hline & -0.1 & 1.1 & 0.105228 & 0.054000 \\ \hline & 0 & 1 & 0.103685 & 0.060000 \\ \hline & 0.1 & 0.9 & 0.105228 & 0.066000 \\ \hline & .2857 & 0.7143 & 0.115686 & 0.077143 \\ \hline & 0.3 & 0.7 & 0.116847 & 0.078000 \\ \hline & 0.4 & 0.6 & 0.126138 & 0.084000 \\ \hline & 0.5 & 0.5 & 0.137162 & 0.090000 \\ \hline & 0.6 & 0.4 & 0.149536 & 0.096000 \\ \hline \end{tabular}