The table below lists three time estimates and the immediate predecessor$($s$)$ for each activity scheduled using PERT. The three time estimates $($in weeks$)$ are in the order: optimistic time, most likely time, and pessimistic time.

$\backslash$table$[[$Activity$,1,2,3,4,5,6,7,8],[\backslash$table$[[$Time$],[$estimates$],[($weeks$)]],1,2,3,3,5,7,5,7,9,5,7,12,1,2,3,2,3,4,7,9,11,1,3,8$