Table 2.3 breaks down the number of major jobs or activities involved in painting a two-story house. a. Develop a CPM network. b. Determine the critical path of the network. c. Determine the expected project’s duration time period. Table 2.3: Problem 1

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Answer 1

Textbook Question

Chapter 2.8, Problem 1P

Table 2.3 breaks down the number of major jobs or activities involved in painting a two-story house.

a. Develop a CPM network.
b. Determine the critical path of the network.
c. Determine the expected project’s duration time period.

Table 2.3: Problem 1

Chapter 2.8, Problem 1P, Table 2.3 breaks down the number of major jobs or activities involved in painting a two-story house.

(a)

Expert Solution

To determine

A CPM network.

Explanation of Solution

The CPM network for the data given in the Table 2.3 is shown below:

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 1

(b)

Expert Solution

To determine

The critical path of the network.

Answer to Problem 1P

The critical path activities are as follows.

Critical Paths

A-B-D-E-G-H-I-K

A-B-D-E-G-H-J-K

A-C-D-E-G-H-I-K

A-C-D-E-G-H-J-K

Explanation of Solution

Using Excel spread sheet the network path is framed and its critical path is identified and shown below:

Activity	Early Start Time	Early Finish Time
Duration	Late Start Time	Late Finish Time
	Float/Slack

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 2

Formula:

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 3

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 4

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 5

The identified network paths are shown below with duration:

Paths	Duration
A-B-D-E-F-H-J-K	23
A-B-D-E-G-H-I-K	26
A-B-D-E-G-H-J-K	26
A-C-D-E-F-H-I-K	23
A-C-D-E-F-H-J-K	23
A-C-D-E-G-H-I-K	26
A-C-D-E-G-H-J-K	26

The path with the longest duration is the critical path. Hence, the critical path activities are as follows.

Critical Paths

A-B-D-E-G-H-I-K

A-B-D-E-G-H-J-K

A-C-D-E-G-H-I-K

A-C-D-E-G-H-J-K

(c)

Expert Solution

To determine

The expected project duration time.

Explanation of Solution

Refer part (b)

The expected project duration time is shown below:

Paths	Duration
A-B-D-E-G-H-I-K	26
A-B-D-E-G-H-J-K	26
A-C-D-E-G-H-I-K	26
A-C-D-E-G-H-J-K	26

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Answer 2

Textbook Question

Chapter 2.8, Problem 1P

Table 2.3 breaks down the number of major jobs or activities involved in painting a two-story house.

a. Develop a CPM network.
b. Determine the critical path of the network.
c. Determine the expected project’s duration time period.

Table 2.3: Problem 1

Chapter 2.8, Problem 1P, Table 2.3 breaks down the number of major jobs or activities involved in painting a two-story house.

(a)

Expert Solution

To determine

A CPM network.

Explanation of Solution

The CPM network for the data given in the Table 2.3 is shown below:

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 1

(b)

Expert Solution

To determine

The critical path of the network.

Answer to Problem 1P

The critical path activities are as follows.

Critical Paths

A-B-D-E-G-H-I-K

A-B-D-E-G-H-J-K

A-C-D-E-G-H-I-K

A-C-D-E-G-H-J-K

Explanation of Solution

Using Excel spread sheet the network path is framed and its critical path is identified and shown below:

Activity	Early Start Time	Early Finish Time
Duration	Late Start Time	Late Finish Time
	Float/Slack

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 2

Formula:

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 3

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 4

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 5

The identified network paths are shown below with duration:

Paths	Duration
A-B-D-E-F-H-J-K	23
A-B-D-E-G-H-I-K	26
A-B-D-E-G-H-J-K	26
A-C-D-E-F-H-I-K	23
A-C-D-E-F-H-J-K	23
A-C-D-E-G-H-I-K	26
A-C-D-E-G-H-J-K	26

The path with the longest duration is the critical path. Hence, the critical path activities are as follows.

Critical Paths

A-B-D-E-G-H-I-K

A-B-D-E-G-H-J-K

A-C-D-E-G-H-I-K

A-C-D-E-G-H-J-K

(c)

Expert Solution

To determine

The expected project duration time.

Explanation of Solution

Refer part (b)

The expected project duration time is shown below:

Paths	Duration
A-B-D-E-G-H-I-K	26
A-B-D-E-G-H-J-K	26
A-C-D-E-G-H-I-K	26
A-C-D-E-G-H-J-K	26

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Answer 3

Textbook Question

Chapter 2.8, Problem 1P

Table 2.3 breaks down the number of major jobs or activities involved in painting a two-story house.

a. Develop a CPM network.
b. Determine the critical path of the network.
c. Determine the expected project’s duration time period.

Table 2.3: Problem 1

Chapter 2.8, Problem 1P, Table 2.3 breaks down the number of major jobs or activities involved in painting a two-story house.

(a)

Expert Solution

To determine

A CPM network.

Explanation of Solution

The CPM network for the data given in the Table 2.3 is shown below:

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 1

(b)

Expert Solution

To determine

The critical path of the network.

Answer to Problem 1P

The critical path activities are as follows.

Critical Paths

A-B-D-E-G-H-I-K

A-B-D-E-G-H-J-K

A-C-D-E-G-H-I-K

A-C-D-E-G-H-J-K

Explanation of Solution

Using Excel spread sheet the network path is framed and its critical path is identified and shown below:

Activity	Early Start Time	Early Finish Time
Duration	Late Start Time	Late Finish Time
	Float/Slack

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 2

Formula:

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 3

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 4

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 5

The identified network paths are shown below with duration:

Paths	Duration
A-B-D-E-F-H-J-K	23
A-B-D-E-G-H-I-K	26
A-B-D-E-G-H-J-K	26
A-C-D-E-F-H-I-K	23
A-C-D-E-F-H-J-K	23
A-C-D-E-G-H-I-K	26
A-C-D-E-G-H-J-K	26

The path with the longest duration is the critical path. Hence, the critical path activities are as follows.

Critical Paths

A-B-D-E-G-H-I-K

A-B-D-E-G-H-J-K

A-C-D-E-G-H-I-K

A-C-D-E-G-H-J-K

(c)

Expert Solution

To determine

The expected project duration time.

Explanation of Solution

Refer part (b)

The expected project duration time is shown below:

Paths	Duration
A-B-D-E-G-H-I-K	26
A-B-D-E-G-H-J-K	26
A-C-D-E-G-H-I-K	26
A-C-D-E-G-H-J-K	26

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Answer 4

Textbook Question

Chapter 2.8, Problem 1P

Table 2.3 breaks down the number of major jobs or activities involved in painting a two-story house.

a. Develop a CPM network.
b. Determine the critical path of the network.
c. Determine the expected project’s duration time period.

Table 2.3: Problem 1

Chapter 2.8, Problem 1P, Table 2.3 breaks down the number of major jobs or activities involved in painting a two-story house.

(a)

Expert Solution

To determine

A CPM network.

Explanation of Solution

The CPM network for the data given in the Table 2.3 is shown below:

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 1

(b)

Expert Solution

To determine

The critical path of the network.

Answer to Problem 1P

The critical path activities are as follows.

Critical Paths

A-B-D-E-G-H-I-K

A-B-D-E-G-H-J-K

A-C-D-E-G-H-I-K

A-C-D-E-G-H-J-K

Explanation of Solution

Using Excel spread sheet the network path is framed and its critical path is identified and shown below:

Activity	Early Start Time	Early Finish Time
Duration	Late Start Time	Late Finish Time
	Float/Slack

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 2

Formula:

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 3

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 4

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 5

The identified network paths are shown below with duration:

Paths	Duration
A-B-D-E-F-H-J-K	23
A-B-D-E-G-H-I-K	26
A-B-D-E-G-H-J-K	26
A-C-D-E-F-H-I-K	23
A-C-D-E-F-H-J-K	23
A-C-D-E-G-H-I-K	26
A-C-D-E-G-H-J-K	26

The path with the longest duration is the critical path. Hence, the critical path activities are as follows.

Critical Paths

A-B-D-E-G-H-I-K

A-B-D-E-G-H-J-K

A-C-D-E-G-H-I-K

A-C-D-E-G-H-J-K

(c)

Expert Solution

To determine

The expected project duration time.

Explanation of Solution

Refer part (b)

The expected project duration time is shown below:

Paths	Duration
A-B-D-E-G-H-I-K	26
A-B-D-E-G-H-J-K	26
A-C-D-E-G-H-I-K	26
A-C-D-E-G-H-J-K	26

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

(a)

Expert Solution

To determine

A CPM network.

Explanation of Solution

The CPM network for the data given in the Table 2.3 is shown below:

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 1

(b)

Expert Solution

To determine

The critical path of the network.

Answer to Problem 1P

The critical path activities are as follows.

Critical Paths

A-B-D-E-G-H-I-K

A-B-D-E-G-H-J-K

A-C-D-E-G-H-I-K

A-C-D-E-G-H-J-K

Explanation of Solution

Using Excel spread sheet the network path is framed and its critical path is identified and shown below:

Activity	Early Start Time	Early Finish Time
Duration	Late Start Time	Late Finish Time
	Float/Slack

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 2

Formula:

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 3

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 4

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 5

The identified network paths are shown below with duration:

Paths	Duration
A-B-D-E-F-H-J-K	23
A-B-D-E-G-H-I-K	26
A-B-D-E-G-H-J-K	26
A-C-D-E-F-H-I-K	23
A-C-D-E-F-H-J-K	23
A-C-D-E-G-H-I-K	26
A-C-D-E-G-H-J-K	26

The path with the longest duration is the critical path. Hence, the critical path activities are as follows.

Critical Paths

A-B-D-E-G-H-I-K

A-B-D-E-G-H-J-K

A-C-D-E-G-H-I-K

A-C-D-E-G-H-J-K

(c)

Expert Solution

To determine

The expected project duration time.

Explanation of Solution

Refer part (b)

The expected project duration time is shown below:

Paths	Duration
A-B-D-E-G-H-I-K	26
A-B-D-E-G-H-J-K	26
A-C-D-E-G-H-I-K	26
A-C-D-E-G-H-J-K	26

Answer 8

(a)

Expert Solution

To determine

A CPM network.

Explanation of Solution

The CPM network for the data given in the Table 2.3 is shown below:

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 1

Answer 9

(a)

Expert Solution

Answer 10

(a)

Expert Solution

Answer 11

Expert Solution

Answer 12

To determine

A CPM network.

Answer 13

Explanation of Solution

The CPM network for the data given in the Table 2.3 is shown below:

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 1

Answer 14

(b)

Expert Solution

To determine

The critical path of the network.

Answer to Problem 1P

The critical path activities are as follows.

Critical Paths

A-B-D-E-G-H-I-K

A-B-D-E-G-H-J-K

A-C-D-E-G-H-I-K

A-C-D-E-G-H-J-K

Explanation of Solution

Using Excel spread sheet the network path is framed and its critical path is identified and shown below:

Activity	Early Start Time	Early Finish Time
Duration	Late Start Time	Late Finish Time
	Float/Slack

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 2

Formula:

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 3

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 4

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 5

The identified network paths are shown below with duration:

Paths	Duration
A-B-D-E-F-H-J-K	23
A-B-D-E-G-H-I-K	26
A-B-D-E-G-H-J-K	26
A-C-D-E-F-H-I-K	23
A-C-D-E-F-H-J-K	23
A-C-D-E-G-H-I-K	26
A-C-D-E-G-H-J-K	26

The path with the longest duration is the critical path. Hence, the critical path activities are as follows.

Critical Paths

A-B-D-E-G-H-I-K

A-B-D-E-G-H-J-K

A-C-D-E-G-H-I-K

A-C-D-E-G-H-J-K

Answer 15

(b)

Expert Solution

Answer 16

(b)

Expert Solution

Answer 17

Expert Solution

Answer 18

To determine

The critical path of the network.

Answer 19

Answer to Problem 1P

The critical path activities are as follows.

Critical Paths

A-B-D-E-G-H-I-K

A-B-D-E-G-H-J-K

A-C-D-E-G-H-I-K

A-C-D-E-G-H-J-K

Answer 20

Explanation of Solution

Using Excel spread sheet the network path is framed and its critical path is identified and shown below:

Activity	Early Start Time	Early Finish Time
Duration	Late Start Time	Late Finish Time
	Float/Slack

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 2

Formula:

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 3

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 4

ENGINEERING DESIGN PROCESS>PRINT UPGRD<, Chapter 2.8, Problem 1P , additional homework tip 5

The identified network paths are shown below with duration:

Paths	Duration
A-B-D-E-F-H-J-K	23
A-B-D-E-G-H-I-K	26
A-B-D-E-G-H-J-K	26
A-C-D-E-F-H-I-K	23
A-C-D-E-F-H-J-K	23
A-C-D-E-G-H-I-K	26
A-C-D-E-G-H-J-K	26

The path with the longest duration is the critical path. Hence, the critical path activities are as follows.

Critical Paths

A-B-D-E-G-H-I-K

A-B-D-E-G-H-J-K

A-C-D-E-G-H-I-K

A-C-D-E-G-H-J-K

Answer 21

(c)

Expert Solution

To determine

The expected project duration time.

Explanation of Solution

Refer part (b)

The expected project duration time is shown below:

Paths	Duration
A-B-D-E-G-H-I-K	26
A-B-D-E-G-H-J-K	26
A-C-D-E-G-H-I-K	26
A-C-D-E-G-H-J-K	26

Answer 22

(c)

Expert Solution

Answer 23

(c)

Expert Solution

Answer 24

Expert Solution

Answer 25

To determine

The expected project duration time.

Answer 26

Explanation of Solution

Refer part (b)

The expected project duration time is shown below:

Paths	Duration
A-B-D-E-G-H-I-K	26
A-B-D-E-G-H-J-K	26
A-C-D-E-G-H-I-K	26
A-C-D-E-G-H-J-K	26

Answer 27

Ch. 2.8 - Table 2.3 breaks down the number of major jobs or...Ch. 2.8 - Assume that the optimistic, most likely, and...Ch. 2.8 - Define the following terms: a. CPM b. Gantt chart...Ch. 2.8 - Prob. 5IA

Table 2.3 breaks down the number of major jobs or activities involved in painting a two-story house. a. Develop a CPM network. b. Determine the critical path of the network. c. Determine the expected project’s duration time period. Table 2.3: Problem 1

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Answer to Problem 1P

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