# Brs Mdm3 Tif Ch07

**Topics:**Critical path method, Project management, Dependency

**Pages:**19 (2550 words)

**Published:**January 11, 2015

Managerial Decision Modeling w/ Spreadsheets, 3e (Balakrishnan/Render/Stair) Chapter 7 Project Management

7.1 Chapter Questions

Use this information to answer the following questions.

Consider the following Activity-On-Node (AON) project (activity completion times are in days).

1) Refer to the figure. What is the critical path?

A) ABDF

B) ABEF

C) ACDF

D) ACEF

E) none of the above

Answer: D

Page Ref: 280

Topic: Determining the Project Schedule

Difficulty: Easy

2) Refer to the figure. How long will take to complete the project? A) 15 days

B) 14 days

C) 13 days

D) 12 days

E) 11 days

Answer: A

Page Ref: 280

Topic: Determining the Project Schedule

Difficulty: Easy

AACSB: Analytic Skills

3) Refer to the figure. What is the slack time, in days, associated with activity E? A) 1

B) 2

C) 0

D) 3

E) 4

Answer: C

Page Ref: 280

Topic: Determining the Project Schedule

Difficulty: Moderate

AACSB: Analytic Skills

4) Refer to the figure. What is the slack time, in days, associated with activity D? A) 0

B) 1

C) 2

D) 3

E) 4

Answer: B

Page Ref: 280

Topic: Determining the Project Schedule

Difficulty: Moderate

AACSB: Analytic Skills

5) Refer to the figure. What is the earliest start time (EST) and earliest finish time (EFT) of activity E? A) EST = 7, EFT = 10

B) EST = 10, EFT = 7

C) EST = 11, EFT = 8

D) EST = 8, EFT = 10

E) EST = 8, EFT = 11

Answer: E

Page Ref: 280

Topic: Determining the Project Schedule

Difficulty: Moderate

AACSB: Analytic Skills

6) Refer to the figure. Determine the latest start time (LST) and latest finish time (LFT) of activity B. A) LST = 9, LFT = 5

B) LST = 5, LFT = 9

C) LST = 8, LFT = 4

D) LST = 4, LFT = 8

E) LST = 8, LFT = 10

Answer: D

Page Ref: 280

Topic: Determining the Project Schedule

Difficulty: Moderate

AACSB: Analytic Skills

7) Refer to the figure. Suppose that additional resources are provided to crash the project completion time below its expected normal completion time. Which activities would be potential candidates for crashing? A) B

B) D

C) A and B

D) A and D

E) F

Answer: E

Page Ref: 293

Topic: Project Crashing

Difficulty: Moderate

8) Refer to the figure. What are the immediate successor(s) of activity C? A) D

B) E

C) D and E

D) A

E) B and D

Answer: C

Page Ref: 273

Topic: Project Networks

Difficulty: Easy

9) Refer to the figure. What are the immediate predecessor(s) of activity D? A) B and C

B) B

C) C

D) C and E

E) B and E

Answer: A

Page Ref: 273

Topic: Project Networks

Difficulty: Easy

Use this information to answer the following questions.

Consider the following Activity-On-Node (AON) PERT project. The three values that represent each activity's completion time (in days) correspond to an optimistic time, most likely time, and pessimistic time, respectively.

10) Refer to the figure. What is the expected completion time of activity A? A) 3

B) 4

C) 5

D) 2.7

E) 2.5

Answer: B

Page Ref: 283

Topic: Variability in Activity Times

Difficulty: Easy

AACSB: Analytic Skills

11) Refer to the figure. What is the standard deviation associated with the completion time of activity B? A) 0.1111

B) 0.2222

C) 0.3333

D) 2

E) 5

Answer: C

Page Ref: 283

Topic: Variability in Activity Times

Difficulty: Moderate

AACSB: Analytic Skills

12) Refer to the figure. What is the expected completion time of the critical path? A) 16 days

B) 17 days

C) 18 days

D) 19 days

E) 20 days

Answer: D

Page Ref: 283

Topic: Variability in Activity Times

Difficulty: Moderate

AACSB: Analytic Skills

13) Refer to the figure. What is the probability of completing the project within 18 days? A) 0.0668

B) 0.4332

C) 0.9332

D) 0.4878

E) 0.0122

Answer: A

Page Ref: 285

Topic: Variability in Activity Times

Difficulty: Moderate

AACSB: Analytic Skills

14) Refer to the figure. What is the probability of not completing the project within 18...

Please join StudyMode to read the full document