QUESTION TWO

$[30]$

The following information represents a house building project called Project House. Using the information from the table below, answer the questions that follows

$\backslash$table$[[$Activity$,$Predecessor,Optimistic Time,Most Likely Time,Pessimistic time$],[$A$,$START,$1,4,7],[$B$,$START,$2,6,10],[$C$,$B$,3,3,9],[$D$,$A$,6,13,14],[$E$,$A$,$C$,4,6,14],[$F$,$B$,6,8,16],[$G$,$D$,$E$,$F$,2,5,8]]$

$2\mathrm{.}1.$ Create an AON network activity diagram

$(7)$

$2\mathrm{.}2.$ Calculate each activity expected time $($in days$)$

$(7)$

$2\mathrm{.}3.$ Calculate the critical path using slack.

$(8)$

$2\mathrm{.}4.$ What is the duration of the project?

$(2)$

$2\mathrm{.}5.$ What is the other method that one can use to determine the critical path. Use this method to determine the critical path of Project House.

$(6)$