Hi, here is the excel file of all the answers of the four problems :)

Jean Walkeris making plans for spring break at the beaches in Florida. In applying techniques she learned
in her quantitative methods class, she has identified the activities that are necessary to prepare for her trip. Th
following table lists the activities and the immediate predecessors. Draw the network for this project
Activity

Immediate Predecessors
A
B
C
D
E
F
G

A
A
B
C,D
A
E,F

Network Diagram
Critical path is A-B-D-E-G, which is annotated by the red line
B

C

A
F

The following are the activity times for Jean Walkers activities.Find the earliest
latest, andslack times for each activity.Then find the critical path.
Activity
Time (in days)
A
3
B
7
C
6
D
2
E
5
F
8
G
4
The earliest, latest and slack times are listed in the below table

D

Activity
Project

Activity Time

Early Start

Early Finish

21

A
B
C
D
E
F
G

3
7
6
2
5
8
4

0
3
3
10
12
3
17

3
10
9
12
17
11
21

applying techniques she learned
ecessary to prepare for her trip. The
e network for this project

am

notated by the red line

D

E

G

Late Start

Late Finish
0
3
6
10
12
9
17

Slack
3
10
12
12
17
17
21

0
0
3
0
0
6
0

Tom Schriber, a director of personnel of Management Resources, Inc., is in the process of designing a program
customers can use in the job-finding process. Some of the activities include preparing resumes, writing letters
making appointments to see prospective employers, researching companies and ind...