A renovation of a Hard Rock Cafe gift shop has six activities (in hours). In the following table, the estimates of a,m, and b times for each of the activities are listed. \begin{tabular}{crcc} \hline Activity & a & m & b \\ \hline A & 11 & 15 & 19 \\ B & 27 & 31 & 41 \\ C & 18 & 18 & 18 \\ D & 8 & 13 & 19 \\ E & 17 & 18 & 20 \\ F & 16 & 19 & 22 \\ \hline \end{tabular} Based on the activity time estimates, the expected times for each of the activities are (round your responses to two decimal places): Based on the activity time estimates, standard deviation for each of the activities is: (Enter your responses rounded to two decimal places.) \begin{tabular}{cc} \hline Activity & Standard Deviation \\ \hline A \\ B \\ C \\ D \\ E \\ F & \\ \hline \end{tabular}