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The following data were

obtained from a project to create a new portable electronic.

__Activity Duration Predecessors __

A 5 Days —

B 6 Days —

C 8 Days —

D 4 Days A,

B

E 3 Days C

F 5 Days D

G 5 Days E,

F

H 9 Days D

I 12 Days G

Step 1: Construct a network diagram for the project. (**NOTE:** EF for activity H should be 19)

Step 2: Answer the following questions: (15 points total)

a) What

is the Scheduled Completion of the Project? (5 points)

b) What

is the Critical Path of the Project? (5 points)

c) What

is the ES for Activity D? (1 points)

d) What

is the LS for Activity G? (1 points)

e) What

is the EF for Activity B? (1 points)

f) What

is the LF for Activity H? (1 points)

g) What

is the float for Activity I? (1 points)

__Problem 2__

The following data were obtained from a project to build a

pressure vessel:

__Activity Duration Predecessors __

A 6

weeks —

B 6

weeks —

C 5

weeks B

D 4

weeks A, C

E 5

weeks B

F 7

weeks D, E, G

G 4

weeks B

H 8

weeks F

I 5

weeks G

J 3

week I

Step 1: Construct a network diagram for the project.

Step 2: Answer the following questions: (15 points total)

a) Calculate

the scheduled completion time. (5 points)

b) Identify

the critical path (6 points)

c) What

is the slack time (float) for activity A? (1 points)

d) What

is the slack time (float) for activity D? (1 points)

e) What is the slack time (float)

for activity E? (1 points)

f) What is the slack time (float)

for activity G? (1 points)

__Problem 3__

The following data were obtained from a project to design a

new software package:

__Activity Duration Predecessors __

A 5

Days —

B 8

Days —

C 6

Days A

D 4

Days C, B

E 5

Days A

F 4

Days D, E, G

G 4

Days B, C

H 3

Day G

Step 1: Construct a network diagram for the project.

Step 2: Answer the following questions: (15 points total)

a) Calculate

the scheduled completion time. (5 points)

b) Identify

the critical path(s) (6 points)

c) What

is the slack time (float) for activity B? (1 points)

d) What

is the slack time (float) for activity D? (1 points)

e) What is the slack time (float)

for activity E? (1 points)

f)

What is the slack time (float) for activity G? (1

points)