Building a backyard swimming pool consists of nine major activities. The activities, their immediate predecessors, and times are shown. $($I have c

Activity

$\backslash$table$[[$Immediate Optimistic,Most Pessimistic Expected Var.,$],[$Predecessor$,$Probable,Times$]]$

$\backslash$table$[[$A$,-,3,5,7,5,\mathrm{.}44],[$B$,-,2,4,6,4,\mathrm{.}44],[$C$,$A$,$B$,5,6,7,6,\mathrm{.}11],[$D$,$A$,$B$,8,9,10,9,\mathrm{.}11],[$E$,$B$,2,4,6,4,\mathrm{.}44],[$F$,$C$,1,2,3,2,\mathrm{.}11],[$G$,$D$,5,7,9,7,\mathrm{.}44],[$H$,$D$,$F$,5,8,11,8,1\mathrm{.}00],[$I$,$E$,$G$,$H$,3,4,5,4,\mathrm{.}11]]$

Develop the project network. This is the problem. You do not have to submit the diagram. Show your work on all questions. What are the activities on the critic