Questions

$1.$ Draw an Activity$-$on$-$Node Diagram for the following:

Activity Name Predecessor$($s$)$

A None

B none

C A

D A$,$B

E D

F C

G F$,$E

H G

$3.$ Using the PERT $($Program Evaluation Review Technique$)$ estimating method, calculate the expected time $($TE$)$ for each of the following activities.

Activity Optimistic $($days$)$ Pessimistic $($days$)$ Most Likely $($days$)$

Activity A $2124$

Activity B $52520$

Activity C $105018$

Activity D $3107$