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Due to population growth in the area, the new Liberty High School has just opened in a local school district. The athletic director at Liberty High is planning the launch of the school's track and field team. The first team practice is scheduled for April $1.$ The activities, their irmmediate predecessors, and the activity time estimates $($in weeks$)$ are listed in the following table.

$\backslash$table$[[$Activity$,$Description,$\backslash$table$[[$Immediate$],[$Predecessor$]],$Time $($Weeks$)],[$Optimistic$,$Most Probable,Pessimistic$],[$A$,$Meet with board,,$1,1,2],[$B$,$Hire coaches,A$,4,6,8],[$c$,$Conduct fundraiser,A$,2,4,6],[$D$,$Announce program,$B,C,1,2,3],[$E$,$Meet with coaches,B$,2,3,4],[$F$,$Order team equipment,A$,1,2,3],[$G$,$Register athletes,D$,1,2,3],[H,$Reserve buses for meets,G$,1,2,3]]$