Question
The next set of questions use the following example: A network consists of the activities in...
The next set of questions use the following example: A network consists of the activities in the following list. Times are given in weeks. Activity Preceding Time A -- 8 B -- 3 C A 7 D A,B 3 E C 4 F D 6 Draw the network diagram. Calculate the ES, EF, LS, LF, and Slack for each activity. Find the total project completion time. What is the slack of activity B? 8 0 3 2 7
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Similar Questions
The next set of questions use the following example: A network consists of the activities in...
The next set of questions use the following example:
A network consists of the activities in the following list.
Times are given in weeks.
CAN ONLY BE ONE OF THE OPTIONS it's not 5 I tried that.
Activity
Preceding
Time
A
--
8
B
--
3
C
A
7
D
A,B
3
E
C
4
F
D
6
Draw the network diagram.
Calculate the ES, EF, LS, LF, and Slack for each activity.
Find the total project completion time.
What...
1. A landscaping upgrade project consists of following activities. Times are given in weeks. Activity Immediate...
1. A landscaping upgrade project consists of following
activities. Times are given in weeks.
Activity
Immediate Predecessor
Activity Time
A
-
5
B
A
8
C
A
7
D
-
6
E
B, D, C
8
F
D
3
G
D
3
a. Draw the network diagram and find the ES, EF, LS, LF, and
slack for each activity.
b. Construct an early-start-date Gantt chart for the
project.
c. As a project manager, where would you focus your attention,
given...
Given the following information for a project, answer the following questions: Activity Predecessor Activity Time (days)...
Given the following information for a project, answer the
following questions:
Activity
Predecessor
Activity Time (days)
A
-
6
B
-
8
C
A, B
5
D
B
4
E
C
7
F
C, D
3
G
D
6
H
E, F, G
5
Fill in the following table.
Activity
ES
EF
LS
LF
Slack
CP
A
0
No
B
Yes
C
Yes
D
No
E
Yes
F
No
G
18
14
20
No
H
25
20
25
Yes
Draw...
Consider a project having the following six activities:
Consider a project having the following six activities:
Immediate
Max Crash cost
Activity
Predecessors
Time
(weeks)
Crash* per week
A
none
6
6
N/A
B
none
5
2
$500
C
A
3
2
$1000
D
A,
B
4
2
$2000
E
C,
D
5
2
$1250
F
D
6
2
$1000
*Shortest possible time for the task
Draw the project network and list the...
The following information is known about a project: a. Draw a network diagram b. Calculate the...
The following information is known about a project:
a. Draw a network diagram
b. Calculate the ES, EF, LS, LF and slack time and find the
critical path for this project
Activity
Activity Time (days)
Immediate Predecessor
A
12
B
9
C
10
A
D
10
A,B
E
24
B
F
10
A
G
35
C
H
40
D
I
15
A
J
4
E,G,H
K
6
F,I,J
In the following table task durations are given in weeks. Use the three point to find:...
In the following table task durations are given in weeks. Use
the three point to find:
Activity
Predecessor
Optimistic
Normal
Pessimistic
A
None
2
4
6
B
None
3
5
9
C
A
4
5
7
D
A
4
6
10
E
B,C
4
5
7
F
D
3
4
8
G
E
3
5
8
Construct the (AON) Activity on Node network diagram
Find each activity’s ES, EF, LS and LS
Identify all paths. Which path is the critical...
Activity Immediate Predecessor Optimistic Time Most-likely time Pessimistic Time A None 3 6 9 B A...
Activity
Immediate
Predecessor
Optimistic Time
Most-likely time
Pessimistic Time
A
None
3
6
9
B
A
3
5
7
C
A
4
7
12
D
B
4
8
10
E
C
5
10
16
F
D, E
3
4
5
G
D, E
3
6
8
H
F
5
6
10
I
G
5
8
11
J
H, I
3
3
3
(a). What is the expected time for each activity? (2 points)
(b.) What is the variance for each...
A partially solved PERT problem is detailed in the table below. Times are given in weeks....
A partially solved PERT problem is detailed in the table below.
Times are given in weeks.
Activity
Immediate
Predecessor(s)
Optimistic
Most Likely
Pessimistic
A
--
8
10
15
B
--
7
8
9
C
A
5
6
10
D
A
3
3
3
E
B,D
1
5
9
F
B,D
4
7
10
G
C
3
8
10
H
E
5
7
9
I
E
4
5
8
J
F
2
5
8
K
H, I
1
3
6
a)...
A future construction project has the following activity relationships and activity time estimates (in days): Activity...
A future construction project has the following activity
relationships and activity time estimates (in days):
Activity
Immediate Predecessor
To
Tm
Tp
A
None
4
5
6
B
None
3
6
21
C
B
1
4
7
D
A
2
5
8
E
C, D
3
9
27
F
C
3
6
15
G
E, F
2
4
6
H
F, G
2
2
2
Leave 2-decimal if not exact, do not round up, for example,
4.3268... will be kept as...
Consider the following table: ACTIVITY PREC. ACT. TIME ESTIMATES (days)  
Consider the
following table:
ACTIVITY PREC.
ACT. TIME ESTIMATES (days)
to tml tp te
A ----- 1 2 3
B A 2 4 6
C B 1 4 7
D B 3 4 5
E C 1 3 5
F D,
E 2 3 4
1) Construct
a PERT network.
[NOTE: This
is the most crucial part of the exercise. Make sure you have the
correct network before proceeding to the next sections.]
2) By using
ES, EF, LF, LS, find the slack of each activity and the critical
path.
3) Find the
completion time and the standard deviation (σ)
for the project— round off the standard deviation to the nearest...
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