AOA Case Study #$1$: Given AOA network with duration $($in days$)$ of each activity answer the $5$ questions:

The AOA network graph is given. The length of each activity is given.

Dr$.$ Lin $1$

$1)$ What is the critical length?

$2)$ What are the critical activities?

$3)$ What are the non$-$critical

activities?

$4)$ How many paths are there?

$5)$ State the immediate predecessor$($s$)$ for each activity

Activity Immediate

Predecessor$($s$)$

C$/$NC

A none C

B none NC

C A C

D A$,$B NC

E C C

F C NC

G D$,$E C

H F$,$G C