Question 1

Draw the AOA and AON networks for the following project and calculate the minimum project duration.

Accepted Answer

AON @#IMG-DLM& AOA @#IMG-DLM& Minimum du

Question 2

A project whose critical path has an estimated time of 820 days with a variance of 225 has a 20% chance that the project will be completed before which day (rounded to nearest day)?

Accepted Answer

A) 631 
B) 689 
C) 807 
D) 833 
E) 1009 
A) 631 
B) 689 
C) 807 
D) 833 
E) 1009

Question 3

The expected activity time in PERT analysis is calculated as:

Accepted Answer

A) the simple average of the optimistic,pessimistic,and most likely times. 
B) the weighted average of a,m,and b,with m weighted 4 times as heavily as a and b. 
C) the sum of the optimistic,pessimistic,and most likely times. 
D) the sum of the optimistic,pessimistic,and most likely times,divided by six. 
E) the sum of the activity variances,divided by six. 
A) the simple average of the optimistic,pessimistic,and most likely times. 
B) the weighted average of a,m,and b,with m weighted 4 times as heavily as a and b. 
C) the sum of the optimistic,pessimistic,and most likely times. 
D) the sum of the optimistic,pessimistic,and most likely times,divided by six. 
E) the sum of the activity variances,divided by six.

Question 4

Given the project within the table below,calculate the following:
a.The critical path
b.The minimum project duration
c.The amount of slack for each activity

Accepted Answer

@#IMG-DLM& (A)The critical path is CDEFG
(B)Minimu

Question 5

A network consists of the following list.Times are given in weeks.
   a.Draw the network diagram.
b.Which activities form the critical path?
c.How much slack exists at activities A and F?
d.What is the duration of the critical path?

Accepted Answer

(a)Network diagram @#IMG-DLM& (b)paths A

Question 6

Which of the following statements regarding PERT analysis is true?

Accepted Answer

A) Each activity has two estimates of its duration. 
B) Project variance is the sum of all activity variances. 
C) Project standard deviation is the sum of all critical activity standard deviations. 
D) Only critical activities contribute to the project variance. 
E) The most likely time is equivalent to the expected activity time. 
A) Each activity has two estimates of its duration. 
B) Project variance is the sum of all activity variances. 
C) Project standard deviation is the sum of all critical activity standard deviations. 
D) Only critical activities contribute to the project variance. 
E) The most likely time is equivalent to the expected activity time.

Question 7

Contract requirements state that a project must be completed within 180 working days,or it will incur penalties for late completion.Analysis of the activity network reveals an estimated project time of 145 working days with a project variance of 400.What is the probability that the project will be completed before the late-payment deadline?

Accepted Answer

A) 0.0401 
B) 0.4599 
C) 0.8056 
D) 0.9599 
E) near 1.0000,or almost certain 
A) 0.0401 
B) 0.4599 
C) 0.8056 
D) 0.9599 
E) near 1.0000,or almost certain

Question 8

An activity on a PERT network has these time estimates: optimistic = 2,most likely = 3,and pessimistic = 8.What is its expected activity time and variance?

Accepted Answer

A) 3.67;1 
B) 3.67;6 
C) 4.33;1 
D) 4.33;6 
E) none of the above 
A) 3.67;1 
B) 3.67;6 
C) 4.33;1 
D) 4.33;6 
E) none of the above

Question 9

Activity D on a CPM network has predecessors B and C,and has successor F.D has duration 6.B's earliest finish is 18,while C's is 20.F's late start is 26.Which of the following is definitely true?

Accepted Answer

A) B is a critical activity. 
B) C is completed before B. 
C) D has no slack but is not critical. 
D) D is critical,and has zero slack. 
E) F is critical,and has zero slack. 
A) B is a critical activity. 
B) C is completed before B. 
C) D has no slack but is not critical. 
D) D is critical,and has zero slack. 
E) F is critical,and has zero slack.

Question 10

Which of the following is NOT one of the phases of project management?

Accepted Answer

A) planning 
B) scheduling 
C) controlling 
D) budgeting 
E) All of the above are project management phases. 
A) planning 
B) scheduling 
C) controlling 
D) budgeting 
E) All of the above are project management phases.

Question 11

Describe some of the challenges faced in the construction of the new 11-story building at Arnold Palmer Hospital in Orlando,Florida.

Accepted Answer

Prior to beginning actual construction,r

Question 12

An activity on a PERT network has these time estimates: optimistic = 2,most likely = 5,and pessimistic = 10.What is its expected activity time?

Accepted Answer

A) 5.00 
B) 5.33 
C) 5.67 
D) 10.67 
E) 32.00 
A) 5.00 
B) 5.33 
C) 5.67 
D) 10.67 
E) 32.00

Question 13

Every network has at least one critical path.

Accepted Answer

A) True 
 B)False

Question 14

A project organization works best for an organization when the project resides in only one of its functional areas.

Accepted Answer

A) True 
 B)False

Question 15

One phase of a large project is scheduling.

Accepted Answer

A) True 
 B)False

Question 16

Describe in words how to calculate a project's standard deviation.What assumption allows that calculation to be accurate?

Accepted Answer

Add the variances of the activ

Question 17

Identify the responsibilities of project managers.

Accepted Answer

Project managers are directly responsibl

Question 18

________ is decreasing activity time in a network to reduce time on the critical path so total completion time is reduced.

Accepted Answer

The answer of ________ is decreasing activity time in a...

Question 19

A project whose critical path has an estimated time of 120 days with a variance of 100 has a 20% chance that the project will be completed before which day (rounded to nearest day)?

Accepted Answer

A) 98 
B) 112 
C) 120 
D) 124 
E) 220 
A) 98 
B) 112 
C) 120 
D) 124 
E) 220

Question 20

Define slack time.

Accepted Answer

Slack time is the le

Exam 3: Project Management

Draw the AOA and AON networks for the following project and calculate the minimum project duration.

A project whose critical path has an estimated time of 820 days with a variance of 225 has a 20% chance that the project will be completed before which day (rounded to nearest day)?

The expected activity time in PERT analysis is calculated as:

Given the project within the table below,calculate the following: a.The critical path b.The minimum project duration c.The amount of slack for each activity

A network consists of the following list.Times are given in weeks. a.Draw the network diagram. b.Which activities form the critical path? c.How much slack exists at activities A and F? d.What is the duration of the critical path?

Which of the following statements regarding PERT analysis is true?

An activity on a PERT network has these time estimates: optimistic = 2,most likely = 3,and pessimistic = 8.What is its expected activity time and variance?

Activity D on a CPM network has predecessors B and C,and has successor F.D has duration 6.B's earliest finish is 18,while C's is 20.F's late start is 26.Which of the following is definitely true?

Which of the following is NOT one of the phases of project management?

Describe some of the challenges faced in the construction of the new 11-story building at Arnold Palmer Hospital in Orlando,Florida.

An activity on a PERT network has these time estimates: optimistic = 2,most likely = 5,and pessimistic = 10.What is its expected activity time?

Every network has at least one critical path.

A project organization works best for an organization when the project resides in only one of its functional areas.

One phase of a large project is scheduling.

Describe in words how to calculate a project's standard deviation.What assumption allows that calculation to be accurate?

Identify the responsibilities of project managers.

________ is decreasing activity time in a network to reduce time on the critical path so total completion time is reduced.

A project whose critical path has an estimated time of 120 days with a variance of 100 has a 20% chance that the project will be completed before which day (rounded to nearest day)?

Define slack time.

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