Table 8.

Maximum likelihood fit of the Kevlar 49/epoxy strands failure times data (pressure at 70%)

Distribution	BW	BN	GuWL	BEW	GuWLP	EGuWL
Parameter estimates	$\begin{array}{cc}\hfill \widehat{a}=& 0.4877\hfill \\ \hfill & \left(0.1222\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{a}=& 0.1150\hfill \\ \hfill & \left(0.1489\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{\alpha }=& 2.6741\hfill \\ \hfill & \left(0.3582\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{a}=& 7.9008\hfill \\ \hfill & \left(75.977\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{\alpha }=& 2.0438\hfill \\ \hfill & \left(0.3801\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{\alpha }=& 2.6093\hfill \\ \hfill & \left(0.0127\right)\hfill \\ \hfill \end{array}$
	$\begin{array}{cc}\hfill \widehat{b}=& 0.1183\hfill \\ \hfill & \left(0.0189\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{b}=& 0.0806\hfill \\ \hfill & \left(0.1068\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{c}=& 4.1036\hfill \\ \hfill & \left(1.0343\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{b}=& 0.1498\hfill \\ \hfill & \left(0.0479\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{\beta }=& -0.606\hfill \\ \hfill & \left(2.5157\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{\beta }=& 0.2237\hfill \\ \hfill & \left(0.1811\right)\hfill \\ \hfill \end{array}$
	$\begin{array}{cc}\hfill \widehat{\alpha }=& 2.6980\hfill \\ \hfill & \left(0.0423\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{c}=& 1087.1\hfill \\ \hfill & \left(794.87\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{k}=& 1.1546\hfill \\ \hfill & \left(0.7454\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{\beta }=& 0.0194\hfill \\ \hfill & \left(0.4225\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{c}=& 3.6367\hfill \\ \hfill & \left(1.9862\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{c}=& 2.1905\hfill \\ \hfill & \left(1.4673\right)\hfill \\ \hfill \end{array}$
	$\begin{array}{cc}\hfill \widehat{\lambda }=& 5002.4\hfill \\ \hfill & \left(0.0509\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{k}=& 7796.1\hfill \\ \hfill & \left(1390.6\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{\lambda }=& 6116.9\hfill \\ \hfill & \left(246.5\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{\alpha }=& 2.4884\hfill \\ \hfill & \left(0.2836\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{k}=& 1.6822\hfill \\ \hfill & \left(3.1542\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{k}=& -1.558\hfill \\ \hfill & \left(1.7711\right)\hfill \\ \hfill \end{array}$
				$\begin{array}{cc}\hfill \widehat{\lambda }=& 5000.0\hfill \\ \hfill & \left(0.3352\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{\lambda }=& 4555.4\hfill \\ \hfill & \left(69.076\right)\hfill \\ \hfill \end{array}$	$\begin{array}{cc}\hfill \widehat{\lambda }=& 4611.9\hfill \\ \hfill & \left(0.04750\right)\hfill \\ \hfill \end{array}$
Log Likelihood	479.49	− 480.41	− 479.49	− 480.0	− 478.86	− 478.40$
AIC	966.97	968.81	966.97	970.0	960.35	966.80
K–S	0.0764	0.0832	0.0742	0.0755	0.0701	0.0607
p value	0.9165	0.8590	0.9316	0.9227	0.9556	0.9888

(Standard error of estimates in parenthesis)