(b) Develop an activity schedule. (Round your answers to two decimal places.) Latest Start Activity A B с D E F G H I 0 1.17 1.17 7.17 7.17 1.17 9.17 11.17 13.17 Earliest Start ✓ 0 1.17 3.17 7.17 10.17 11.17 9.17 11.17 13.17 ✓ ✓ 1.17 7.17 5.17 9.17 10.17 3.17 11.17 13.17 14.17 Earliest Finish (c) What are the critical activities? (Enter your answers as a comma-separated list.) 1.17 7.17 7.17 9.17 13.17 13.17 11.17 13.17 14.17 Latest Finish ✓ lo 0 2 0 3 10 0 0 0 Slack > > > ✓
(b) Develop an activity schedule. (Round your answers to two decimal places.) Latest Start Activity A B с D E F G H I 0 1.17 1.17 7.17 7.17 1.17 9.17 11.17 13.17 Earliest Start ✓ 0 1.17 3.17 7.17 10.17 11.17 9.17 11.17 13.17 ✓ ✓ 1.17 7.17 5.17 9.17 10.17 3.17 11.17 13.17 14.17 Earliest Finish (c) What are the critical activities? (Enter your answers as a comma-separated list.) 1.17 7.17 7.17 9.17 13.17 13.17 11.17 13.17 14.17 Latest Finish ✓ lo 0 2 0 3 10 0 0 0 Slack > > > ✓
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Transcribed Image Text:Due to population growth in the area, the new Liberty High School has just opened in a local school district. The athletic director at Liberty High is planning the launch of the school's track and field team. The first team practice is
scheduled for April 1. The activities, their immediate predecessors, and the activity time estimates (in weeks) are listed in the following table.
Activity
A
C
D
E
F
G
H
I
Description
Meet with board
Hire coaches
Conduct fundraiser
Announce program
Meet with coaches
Order team equipment
Register athletes
Reserve buses for meets
Plan first practice
Immediate
Predecessor
A
A
B, C
B
A
G
E, H, F
Optimistic
1
4
2
1
2
1
1
1
1
Time (Weeks)
Most Probable
1
4
2
3
2
2
2
Pessimistic
2
8
6
3
4
3
3
3
1
Transcribed Image Text:(b) Develop an activity schedule. (Round your answers to two decimal places.)
Activity
A
B
с
D
E
F
G
H
I
0
1.17
1.17
7.17
7.17
1.17
9.17
11.17
13.17
Earliest
Start
X
0
1.17
3.17
7.17
10.17
11.17
9.17
11.17
13.17
Latest
Start
1.17
7.17
5.17
9.17
10.17
3.17
11.17
13.17
14.17
Earliest
Finish
(c) What are the critical activities? (Enter your answers as a comma-separated list.)
A,C,D,G,H,I
1.17
7.17
7.17
9.17
13.17
13.17
11.17
13.17
14.17
Latest
Finish
What is the expected project completion time (in weeks)? (Round your answer to two decimal places.)
weeks
0
0
2
0
3
10
0
0
0
Slack
(d) If the athletic director plans to start the project on January 1, calculate the probability the track and field team will be ready by the scheduled April 1 date (13 weeks) based solely on the critical path. (Round your answer to four
decimal places.)
0.0951
Should the athletic director begin planning the track and field team before January 1? (The probability for finishing on schedule should be at least 0.9.)
Since the probability that the track and field team will be ready by April 1 is less
than 0.9, the athletic director should
begin planning before January 1.
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