Question 1

Figure   (time in days)
-What is the probability that this project will be completed within 205 days?

Accepted Answer

A) 0.6826. 
B) 0.8413. 
C) 0.9544. 
D) 0.9772. 
E) 0.9987. 
A) 0.6826. 
B) 0.8413. 
C) 0.9544. 
D) 0.9772. 
E) 0.9987.

Question 2

When calculating the probability that a project will finish by a certain time,the approximation that is obtained is usually lower than the true probability.

Accepted Answer

A) True 
 B)False

Question 3

In PERT,the path with the fewest activities is referred to as the critical path.

Accepted Answer

A) True 
 B)False

Question 4

Concerning PERT and CPM:

Accepted Answer

A) These are two different names for essentially the same technique. 
B) CPM tends to focus more on the critical path. 
C) PERT gives a better indication of activity slack,CPM a better picture of path slack. 
D) Because of its recent discovery,much less is known about CPM that PERT. 
E) All of the above are true. 
A) These are two different names for essentially the same technique. 
B) CPM tends to focus more on the critical path. 
C) PERT gives a better indication of activity slack,CPM a better picture of path slack. 
D) Because of its recent discovery,much less is known about CPM that PERT. 
E) All of the above are true.

Question 5

The values assigned to the nodes in a project network are there to identify the precedence relationships.

Accepted Answer

A) True 
 B)False

Question 6

In project network analysis,slack refers to the difference between:

Accepted Answer

A) observed and predicted times. 
B) optimistic and pessimistic times. 
C) latest finish and latest start times. 
D) earliest finish and earliest start times. 
E) latest start and earliest start times. 
A) observed and predicted times. 
B) optimistic and pessimistic times. 
C) latest finish and latest start times. 
D) earliest finish and earliest start times. 
E) latest start and earliest start times.

Question 7

If two paths are tied for the longest duration,both would be considered to be critical paths.

Accepted Answer

A) True 
 B)False

Question 8

Figure   (time in days)
-What is the estimated mean time for project completion?

Accepted Answer

A) 135 days. 
B) 145 days. 
C) 170 days. 
D) 180 days. 
E) 255 days. 
A) 135 days. 
B) 145 days. 
C) 170 days. 
D) 180 days. 
E) 255 days.

Question 9

Figure   (time in days)
-What is the estimated mean time for activity E?

Accepted Answer

A) 35 days. 
B) 36 days. 
C) 39 days. 
D) 40 days. 
E) 45 days. 
A) 35 days. 
B) 36 days. 
C) 39 days. 
D) 40 days. 
E) 45 days.

Question 10

A normal distribution is usually used to describe the form of the probability distribution of activity durations in the PERT three-estimate approach.

Accepted Answer

A) True 
 B)False

Question 11

Projects involve routine activities that are performed repeatedly.

Accepted Answer

A) True 
 B)False

Question 12

A manager has decided that an activity has a pessimistic estimate of 15 days,a most-likely estimate of 6 days,and an optimistic estimate of 3 days.The expected duration of this activity is 6 days.

Accepted Answer

A) True 
 B)False

Question 13

The latest finish of an activity is the earliest late start of any immediately preceding activity.

Accepted Answer

A) True 
 B)False

Question 14

A Gantt chart of a project shows the scheduled start and finish times for activities.

Accepted Answer

A) True 
 B)False

Question 15

A common assumption when using PERT/Cost is that the costs are incurred at a constant rate throughout the duration of an activity.

Accepted Answer

A) True 
 B)False

Question 16

The length of the critical path is determined by adding the expected completion times for all the activities in the project.

Accepted Answer

A) True 
 B)False

Question 17

Although PERT and CPM were originally developed for somewhat different types of projects,they are now nearly identical in terms of analysis and procedures.

Accepted Answer

A) True 
 B)False

Question 18

A forward pass is the process of moving forward through the project network to determine the latest start times and latest finish times of each activity.

Accepted Answer

A) True 
 B)False

Question 19

Figure  
-The duration of the critical path is:

Accepted Answer

A) 11 days. 
B) 20 days. 
C) 18 days. 
D) 22 days. 
E) 15 days. 
A) 11 days. 
B) 20 days. 
C) 18 days. 
D) 22 days. 
E) 15 days.

Question 20

There are four activities on the critical path,and they have standard deviations of 1,2,4,and 2 days.The standard deviation of the critical path is:

Accepted Answer

A) 3 days. 
B) 5 days. 
C) 9 days. 
D) 16 days. 
E) 25 days. 
A) 3 days. 
B) 5 days. 
C) 9 days. 
D) 16 days. 
E) 25 days.

Exam 19: CD - Pertcpm Models for Project Management

Figure (time in days) -What is the probability that this project will be completed within 205 days?

When calculating the probability that a project will finish by a certain time,the approximation that is obtained is usually lower than the true probability.

In PERT,the path with the fewest activities is referred to as the critical path.

Concerning PERT and CPM:

The values assigned to the nodes in a project network are there to identify the precedence relationships.

In project network analysis,slack refers to the difference between:

If two paths are tied for the longest duration,both would be considered to be critical paths.

Figure (time in days) -What is the estimated mean time for project completion?

Figure (time in days) -What is the estimated mean time for activity E?

A normal distribution is usually used to describe the form of the probability distribution of activity durations in the PERT three-estimate approach.

Projects involve routine activities that are performed repeatedly.

A manager has decided that an activity has a pessimistic estimate of 15 days,a most-likely estimate of 6 days,and an optimistic estimate of 3 days.The expected duration of this activity is 6 days.

The latest finish of an activity is the earliest late start of any immediately preceding activity.

A Gantt chart of a project shows the scheduled start and finish times for activities.

A common assumption when using PERT/Cost is that the costs are incurred at a constant rate throughout the duration of an activity.

The length of the critical path is determined by adding the expected completion times for all the activities in the project.

Although PERT and CPM were originally developed for somewhat different types of projects,they are now nearly identical in terms of analysis and procedures.

A forward pass is the process of moving forward through the project network to determine the latest start times and latest finish times of each activity.

Figure -The duration of the critical path is:

There are four activities on the critical path,and they have standard deviations of 1,2,4,and 2 days.The standard deviation of the critical path is:

Introduction

Linear Programming: Basic Concepts

Linear Programming: Formulation and Applications

The Art of Modeling With Spreadsheets

What-If Analysis for Linear Programming

Network Optimization Problems

Using Binary Integer Programming to Deal With Yes-Or-No Decisions

Nonlinear Programming

Decision Analysis

Cd Supplement - Decision Analysis

Forecasting

Queueing Models

CD Supplement - Additional Queueing Models

Computer Simulation: Basic Concepts

CD Supplement - the Inverse Transformation Method for Generating Random Observations

Computer Simulation With Crystal Ball

CD - Solution Concepts for Linear Programming

CD - Transportation and Assignment Problems

CD - Goal Programming

CD - Inventory Management With Known Demand

CD - Inventory Management With Uncertain Demand

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