Exercise $6$

$\backslash$table$[[$Activities$,$Duration $($days$),$Immediate Predecessor$($s$)],[$A$,4\mathrm{.}5,-],[$B$,6\mathrm{.}5,$A$],[$C$,10,],[$D$,20,-],[$E$,16,$C$],[$F$,5,$C$],[$G$,6,$D$,$F$],[$H$,8,$B$,$G$],[$I$,6,$H$],[$J$,2,$E$,$H$]]$

Given the table above:

$1-$ Construct the PERT chart of this project using the AON representation.

$2-$ Determine the slack $($or total float$)$ for each activity. Deduce the critical path.

$3-$ Interpret the slack of activity $E.$