most likely completion time, and the pessimistic completion time $($all in days$)$ for a new contract are given in the following table:

$\backslash$table$[[,$Time $($days$),$Immediate$],[$Activity$,a,m,$b$,$Predecessor$($s$)],[$A$,4,5,9,-],[$B$,10,11,12,-],[$C$,1,2,3,-],[$D$,7,8,9,$C$],[$E$,2,4,6,$B$,$ D$],[$F$,2,3,4,$A$,$ E$],[$G$,5,9,13,$A$,$ E$],[$H$,11,12,13,$F$],[$I$,4,6,8,$G$],[$J$,13,15,17,$C$],[$K$,3,7,11,$H$,$ I$]]$

This exercise contains only part a$.$

a$)$ Based on the activity time estimates, the expected times and variance for each of the activities are:

$($Round your responses to two decimal places.$)$

$\backslash$table$[[$Activity$,$Expected Time,Variance$],[$A$,,$