Shirley Hopkins is developing a problem in leadership training for middle-level
ID: 402268 • Letter: S
Question
Shirley Hopkins is developing a problem in leadership training for middle-level managers. Shirley has listed a number of activities that must be completed before a training program of this nature could be conducted. The activities, immediate predecessors, and times appear in the accompanying table:
Activities Immediate Predeccesor(s) Time (days)
A -- 2
B -- 5
C -- 1
D B 10
E A,D 3
F C 6
G E,F 8
a) Develop an AON network for this problem.
b) What is the critical path?
c)What is the total project completion time?
d)What is the slack time for each individual activities?
Explanation / Answer
ES=2 <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /?>
DT=3
EF=5
<?xml:namespace prefix = v ns = "urn:schemas-microsoft-com:vml" /?> Activity E
LS=2
ST=0
LF=5
ES=0
DT=2
EF=2
Activity A
LS=0
ST=0
LF=2
ES=5
DT=10
EF=15
Activity D
LS=5
ST=0
LF=15
ES=0
DT=5
EF=5
Activity B
LS=0
ST=0
LF=5
ES=1
DT=6
EF=7
Activity F
LS=1
ST=0
LF=7
ES=0
DT=1
EF=1
Activity C
LS=0
ST=0
LF=1
ES=5
DT=8
EF=13
Activity G
LS=7
ST=2
LF=15
Sorry the arrows and order are not showing up correctly... but its supposed to be
A->E->G
B->D->E->G
C->F->G
B) Critical path is A-E-G
C) Completion time is 15 at the latest
D) Only node with slack time is G =2
ES=2 <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /?>
DT=3
EF=5
<?xml:namespace prefix = v ns = "urn:schemas-microsoft-com:vml" /?> Activity E
LS=2
ST=0
LF=5
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