HOMEWORK TO BE GRADED CHAPTER 12
PROJECT SCHEDULING
ROUND ALL NUMBERS TO AT LEAST TWO (2) DECIMAL PLACES
X is the last non-zero digit in your social security number (eg. SS# 553-07-0870 the X=7).
The manager of the Oak Mountain Tennis Club is planning the club’s tennis teams summer
schedule. The first team practice is Schedule for 12 weeks from now. The activities, their
immediate predecessors, and the activity time estimates (in weeks) are as follows:
Activity
A
B
C
D
E
F
G
H
I
Description
Meet with board
Hire coaches
Reserve courts
Announce Program
Meet with coaches
Order equipment
Register players
Collect fees
Plan 1st practice
Immediate
Predecessor Optimistic
-A
A
B, C
B
A
D
F
E,H
1
4
2
1
2
1
1
1
1
Weeks
.
Most Probable Pessimistic
1
6
4
2
3
2
1
2
1
3
8
6
3
5
3
7
3
X
1. Draw the project network (network diagram)
2. Develop the activity schedule (ES, EF, LS, LF) put on diagram
3. Compute the Expect Time for the Project (UT) and the Project Standard Deviation
σT
A. If the club manager plans to start the project today, June 1, what is the Probability the
tennis program will be ready in 12 weeks?
B. Should the manager begin planning the tennis program before June 1 ? Explain
C. Compute the managers Expected Salary E[s] for this project if he is given the following
Salary guarantees:
Time
Salary
If tennis program is ready in T < 10 wks $10,000
T > 14 wks
4,000
10 < T < 14
5,500