# Week 3 Aib Problem Solutions

726 Words Jun 7th, 2015 3 Pages
AIB Homework Problem Solutions
Problem 1
The following data were obtained from a project to create a new portable electronic.
Activity
A
B
C
D
E
F
G
H
I

Duration
5 Days
6 Days
8 Days
4 Days
3 Days
5 Days
5 Days
9 Days
12 Days

Predecessors
------A, B
C
D
E, F
D
G

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

March 2014

1

AIB Homework Problem Solutions
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
March 2014

5

AIB Homework Problem Solutions
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)
Answer: There are 2 critical paths.
Critical Path 1: A-C-D-F
Critical Path 2: A-C-G-F
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)

March 2014

6

AIB Homework Problem Solutions
Problem 4
The following data were obtained from an in-house MIS project:
Activity
A
B
C
D
E
F
G
H
I

Duration
5 Days
8 Days
5 Days
4 Days
5 Days
3 Day
7 Days
6 Days
9 Days

Predecessors
----A
B
B
C, D
C, D
E, F, G
E, F

Step 1: Construct a network diagram for the project.

March 2014

7

AIB Homework Problem Solutions
Step 2: Answer the following questions: (15 points total)
a) Calculate the scheduled completion time. (5 points)