\begin{table}%t6
\caption {\label{parametry-hardness-chyby}The maximal likelihoods and
corresponding probabilities that introducing of the third group is accidental
for maximum likelihood fittings (two-dimensional) with two and three
bivariate log-normal functions of ten different changes of
durations and hardness ratios by their uncertainties.}
%\centering
\par
\begin{tabular}{ccc}
\hline\hline
%\\[-2ex]
$\ln L_{{\rm 2}}$  &  $\ln L_{{\rm 3}}$  &  Probability  \\[0.3ex]
                      &                        &     [\%]      \\[0.3ex]
%\\[-2ex]
\hline 
%\\[-2ex]
--349.40        &  --339.92        &  0.42    \\[0.3ex]
--348.28        &  --336.36        &  0.06    \\[0.3ex]
--350.66        &  --340.80        &  0.31    \\[0.3ex]
--347.12        &  --338.15        &  0.64    \\[0.3ex]
--349.64        &  --340.47        &  0.54    \\[0.3ex]
--344.59        &  --338.17        &  4.56    \\[0.3ex]
--350.36        &  --342.47        &  1.50    \\[0.3ex]
--344.44        &  --334.71        &  0.35    \\[0.3ex]
--349.37        &  --336.51        &  0.03    \\[0.3ex]
--348.06        &  --338.57        &  0.42    \\
\hline
\end{tabular}
\end{table}