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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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