The following information is the basis for the next three questions. Jim and Carol Spalding have a crack in their waterline and need to replace it. This will require digging up the water line, replacing it, filling the hole, leveling the soil, and re-seeding the grass. The Spalding's plumber suggests that, since they have the well dug up, they should replace the foot valve in the well also. Below are the plumber's estimates of the time in hours) necessary to perform each of the activities required. \[\begin{array} { | c | l | c | c | c | c | } \hline \text { Activity } & \text { Description } & \text { Predeces sor } & \text { Optimistic } & \text { Most Lik ely } & \text { Pessim istic } \\ \hline \text { A } & \text { Digging } & - & 2 & 3 & 4 \\ \hline \text { B } & \text { Replace line } & \text { A } & 1 & 1.5 & 2 \\ \hline \text { C } & \text { Replace foot valve } & \text { B } & .5 & 1 & 1.5 \\ \hline \text { D } & \text { Fill hole } & \text { C } & 1.5 & 2 & 5.5 \\ \hline \text { E } & \text { Level soil } & \text { D } & .5 & 1 & 1.5 \\ \hline \text { F } & \text { Reseed lawn } & \text { E } & .4 & .5 & .6 \\ \hline \end{array}\] -The plumber has scheduled another small job at 6:00 p.m. If it takes 1/2 hour to drive from the Spalding's to the other job, what is the probability the plumber will be able to make the 6:00 p.m. appointment on time?

A) 63% B) 75% C) 89% D) 95% E) 99% A) 63% B) 75% C) 89% D) 95% E) 99% C

The following information is the basis for the next three questions. Jim and Carol Spalding have a crack in their waterline and need to replace it. This will require digging up the water line, replacing it, filling the hole, leveling the soil, and re-seeding the grass. The Spalding's plumber suggests that, since they have the well dug up, they should replace the foot valve in the well also. Below are the plumber's estimates of the time in hours) necessary to perform each of the activities required. \[\begin{array} { | c | l | c | c | c | c | } \hline \text { Activity } & \text { Description } & \text { Predeces sor } & \text { Optimistic } & \text { Most Lik ely } & \text { Pessim istic } \\ \hline \text { A } & \text { Digging } & - & 2 & 3 & 4 \\ \hline \text { B } & \text { Replace line } & \text { A } & 1 & 1.5 & 2 \\ \hline \text { C } & \text { Replace foot valve } & \text { B } & .5 & 1 & 1.5 \\ \hline \text { D } & \text { Fill hole } & \text { C } & 1.5 & 2 & 5.5 \\ \hline \text { E } & \text { Level soil } & \text { D } & .5 & 1 & 1.5 \\ \hline \text { F } & \text { Reseed lawn } & \text { E } & .4 & .5 & .6 \\ \hline \end{array}\] -If the plumber and his crew begin working at 7:00 a.m., what time are they expected to finish?

A) 3:00 p.m. B) 3:30 p.m. C) 4:00 p.m. D) 4:30 p.m. E) 5:00 p.m. A) 3:00 p.m. B) 3:30 p.m. C) 4:00 p.m. D) 4:30 p.m. E) 5:00 p.m.

The following information is the basis for the next three questions. Jim and Carol Spalding have a crack in their waterline and need to replace it. This will require digging up the water line, replacing it, filling the hole, leveling the soil, and re-seeding the grass. The Spalding's plumber suggests that, since they have the well dug up, they should replace the foot valve in the well also. Below are the plumber's estimates of the time in hours) necessary to perform each of the activities required. \[\begin{array} { | c | l | c | c | c | c | } \hline \text { Activity } & \text { Description } & \text { Predeces sor } & \text { Optimistic } & \text { Most Lik ely } & \text { Pessim istic } \\ \hline \text { A } & \text { Digging } & - & 2 & 3 & 4 \\ \hline \text { B } & \text { Replace line } & \text { A } & 1 & 1.5 & 2 \\ \hline \text { C } & \text { Replace foot valve } & \text { B } & .5 & 1 & 1.5 \\ \hline \text { D } & \text { Fill hole } & \text { C } & 1.5 & 2 & 5.5 \\ \hline \text { E } & \text { Level soil } & \text { D } & .5 & 1 & 1.5 \\ \hline \text { F } & \text { Reseed lawn } & \text { E } & .4 & .5 & .6 \\ \hline \end{array}\] -Carol Spalding can't bear to see her lawn all dug up so she has decided to visit her mother on the day the work is to be done. Carol wants to return home at 6:45 p.m., what is the probability the work will be complete when Carol arrives home?

A) 95% B) 99.3% C) 99.5% D) 99.8% E) 100% A) 95% B) 99.3% C) 99.5% D) 99.8% E) 100%

The table below shows PERT estimates te) for activities A through E. $\text { Time estimates (days) }$ $\begin{array}{|c|c|c|c|c|} \hline \text { Activity }&t(o)&t(m)&t(p)&t(e)\\ \hline \mathrm{A} & 4 & 5 & 9 & ? \\ \hline \mathrm{B} & 1 & 3 & 7 & ? \\ \hline \mathrm{C} & 3 & 6 & 10 & ? \\ \hline \mathrm{D} & 2 & 8 & 12 & ? \\ \hline \mathrm{E} & 1 & 4 & 6 & ? \\ \hline \end{array}$ Based on the table above, the te) for activities A, B and C are: .

A) 5 days, 3 days, 6 days B) 5.500 days, 3.333 days, 6.167 days C) 6 days, 3.667 days, 6.333 days D) 3.167 days, 5.333 days, 1.833 days E) 3 days, 1.667 days, 1.833 days F) None of the above A) 5 days, 3 days, 6 days B) 5.500 days, 3.333 days, 6.167 days C) 6 days, 3.667 days, 6.333 days D) 3.167 days, 5.333 days, 1.833 days E) 3 days, 1.667 days, 1.833 days F) None of the above

Exam 7: Project Scheduling: Adding the Time Dimension

The following software development plan is the basis for the next four questions -The client has asked for an estimated completion date. What would you tell her?

Free

(Multiple Choice)

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Question 1

Correct Answer:

Verified

A

The following information is the basis for the next three questions. Jim and Carol Spalding have a crack in their waterline and need to replace it. This will require digging up the water line, replacing it, filling the hole, leveling the soil, and re-seeding the grass. The Spalding's plumber suggests that, since they have the well dug up, they should replace the foot valve in the well also. Below are the plumber's estimates of the time in hours) necessary to perform each of the activities required. Activity Description Predeces sor Optimistic Most Lik ely Pessim istic A Digging - 2 3 4 B Replace line A 1 1.5 2 C Replace foot valve B .5 1 1.5 D Fill hole C 1.5 2 5.5 E Level soil D .5 1 1.5 F Reseed lawn E .4 .5 .6 -The plumber has scheduled another small job at 6:00 p.m. If it takes 1/2 hour to drive from the Spalding's to the other job, what is the probability the plumber will be able to make the 6:00 p.m. appointment on time?

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Question 2

Correct Answer:

Verified

C

Based on the table in the previous question showing time estimates for Activities A through E, which activity has a Standard Deviation of .833? Circle all that apply:

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Question 3

Correct Answer:

Verified

A , E

Which of the following is an example of a start-to-start relationship?

(Multiple Choice)

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Question 4

Which of the following types of precedence relationships is/are especially useful in fast-tracking situations?

(Multiple Choice)

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Question 5

The following network is the basis for the next four questions: -Assume all activities are scheduled to begin on their early start times. How much can we delay activity D without delaying the project?

(Multiple Choice)

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Question 6

For the next two questions, refer to the following AON diagram, with ES, LS, EF, LF and total and free float indicated for each activity: -Calculate the LS late start) and LF late finish) values - indicated by w and x - for Task D.

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Question 7

A project team estimates that a work package is most likely to have a duration of 10 days. However, under the worst possible conditions pessimistic) it will take 40 days, and if conditions are ideal optimistic), it will take only 4 days. Using the PERT three-point estimation method, what is the expected time for this work package?

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Question 8

Which of the following is NOT a characteristic of the PERT method?

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Question 9

For the next two questions, refer to the following AON diagram, with ES, LS, EF, LF and total and free float indicated for each activity: -Calculate the TF total float) and FF free float) values - indicated by y and z - for Task C.

(Multiple Choice)

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Question 10

The following software development plan is the basis for the next four questions -The client would like to have the completed software in 37 weeks. What is the likelihood the critical path will be completed in that time frame?

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Question 11

The following information is the basis for the next three questions. Jim and Carol Spalding have a crack in their waterline and need to replace it. This will require digging up the water line, replacing it, filling the hole, leveling the soil, and re-seeding the grass. The Spalding's plumber suggests that, since they have the well dug up, they should replace the foot valve in the well also. Below are the plumber's estimates of the time in hours) necessary to perform each of the activities required. Activity Description Predeces sor Optimistic Most Lik ely Pessim istic A Digging - 2 3 4 B Replace line A 1 1.5 2 C Replace foot valve B .5 1 1.5 D Fill hole C 1.5 2 5.5 E Level soil D .5 1 1.5 F Reseed lawn E .4 .5 .6 -If the plumber and his crew begin working at 7:00 a.m., what time are they expected to finish?

(Multiple Choice)

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Question 12

Activity time estimates for the following project schedule have been developed using the PERT three-point time estimation method. 13. Based on concepts presented in the text, what is the assumed likelihood Task D will be able to start at the end of Day 11?

(Multiple Choice)

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Question 13

Which of the following schedule display formats can require the use of dummy activities?

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Question 14

The following network is the basis for the next four questions: -Which of these is the critical path for this project schedule?

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Question 15

The following network shows a portion of an IT project involving programming, hardware installation, and implementation. As shown, programming and hardware installation are both estimated to be 52 days in duration. These estimates are not exact, given the uncertainty that can occur in any project environment, but they do share the same statistical distribution, with 52 as the median value. Given what is covered in Chapter 6 regarding two tasks that merge into a common successor, what is the approximate probability that implementation can begin at the end of 52 days of concurrent work on programming and hardware installation?

(Multiple Choice)

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Question 16

The following network is the basis for the next four questions: -Assume all activities are scheduled to begin on their early start times. How much free float slack) does activity B have?

(Multiple Choice)

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Question 17

The following network is the basis for the next four questions: -Assume all activities are scheduled to begin on their early start times. Circle the letter of each activity that has free float.

(Multiple Choice)

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Question 18

The following information is the basis for the next three questions. Jim and Carol Spalding have a crack in their waterline and need to replace it. This will require digging up the water line, replacing it, filling the hole, leveling the soil, and re-seeding the grass. The Spalding's plumber suggests that, since they have the well dug up, they should replace the foot valve in the well also. Below are the plumber's estimates of the time in hours) necessary to perform each of the activities required. Activity Description Predeces sor Optimistic Most Lik ely Pessim istic A Digging - 2 3 4 B Replace line A 1 1.5 2 C Replace foot valve B .5 1 1.5 D Fill hole C 1.5 2 5.5 E Level soil D .5 1 1.5 F Reseed lawn E .4 .5 .6 -Carol Spalding can't bear to see her lawn all dug up so she has decided to visit her mother on the day the work is to be done. Carol wants to return home at 6:45 p.m., what is the probability the work will be complete when Carol arrives home?

(Multiple Choice)

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Question 19

The table below shows PERT estimates t_e₎ for activities A through E. $\text { Time estimates (days) }$ Activity t(o) t(m) t(p) t(e) 4 5 9 ? 1 3 7 ? 3 6 10 ? 2 8 12 ? 1 4 6 ? Based on the table above, the t_e₎ for activities A, B and C are: .

(Multiple Choice)

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Question 20

The following software development plan is the basis for the next four questions -The client has asked for an estimated completion date. What would you tell her?

Based on the table in the previous question showing time estimates for Activities A through E, which activity has a Standard Deviation of .833? Circle all that apply:

Which of the following is an example of a start-to-start relationship?

Which of the following types of precedence relationships is/are especially useful in fast-tracking situations?

The following network is the basis for the next four questions: -Assume all activities are scheduled to begin on their early start times. How much can we delay activity D without delaying the project?

For the next two questions, refer to the following AON diagram, with ES, LS, EF, LF and total and free float indicated for each activity: -Calculate the LS late start) and LF late finish) values - indicated by w and x - for Task D.

Which of the following is NOT a characteristic of the PERT method?

For the next two questions, refer to the following AON diagram, with ES, LS, EF, LF and total and free float indicated for each activity: -Calculate the TF total float) and FF free float) values - indicated by y and z - for Task C.

The following software development plan is the basis for the next four questions -The client would like to have the completed software in 37 weeks. What is the likelihood the critical path will be completed in that time frame?

Activity time estimates for the following project schedule have been developed using the PERT three-point time estimation method. 13. Based on concepts presented in the text, what is the assumed likelihood Task D will be able to start at the end of Day 11?

Which of the following schedule display formats can require the use of dummy activities?

The following network is the basis for the next four questions: -Which of these is the critical path for this project schedule?

The following network is the basis for the next four questions: -Assume all activities are scheduled to begin on their early start times. How much free float slack) does activity B have?

The following network is the basis for the next four questions: -Assume all activities are scheduled to begin on their early start times. Circle the letter of each activity that has free float.

The table below shows PERT estimates t_e₎ for activities A through E. $\text { Time estimates (days) }$ Activity t(o) t(m) t(p) t(e) 4 5 9 ? 1 3 7 ? 3 6 10 ? 2 8 12 ? 1 4 6 ? Based on the table above, the t_e₎ for activities A, B and C are: .

Managing Projects: What and Why

The Effective Project Manager

Project Selection: Doing the Right Thing

Project Initiation: Setting the Stage for Action

Project Definition: Creating the Using the Work Breakdown Structure

Assessing and Preparing for Project Uncertainties

Modifying Project Schedules to Accommodate Time and Resource Constraints

Monitoring and Controlling Project Performance

Finishing Well: Project Closure and Learning

Filters

Exam 7: Project Scheduling: Adding the Time Dimension

The following software development plan is the basis for the next four questions -The client has asked for an estimated completion date. What would you tell her?

Based on the table in the previous question showing time estimates for Activities A through E, which activity has a Standard Deviation of .833? Circle all that apply:

Which of the following is an example of a start-to-start relationship?

Which of the following types of precedence relationships is/are especially useful in fast-tracking situations?

The following network is the basis for the next four questions: -Assume all activities are scheduled to begin on their early start times. How much can we delay activity D without delaying the project?

For the next two questions, refer to the following AON diagram, with ES, LS, EF, LF and total and free float indicated for each activity: -Calculate the LS late start) and LF late finish) values - indicated by w and x - for Task D.

Which of the following is NOT a characteristic of the PERT method?

For the next two questions, refer to the following AON diagram, with ES, LS, EF, LF and total and free float indicated for each activity: -Calculate the TF total float) and FF free float) values - indicated by y and z - for Task C.

The following software development plan is the basis for the next four questions -The client would like to have the completed software in 37 weeks. What is the likelihood the critical path will be completed in that time frame?

Activity time estimates for the following project schedule have been developed using the PERT three-point time estimation method. 13. Based on concepts presented in the text, what is the assumed likelihood Task D will be able to start at the end of Day 11?

Which of the following schedule display formats can require the use of dummy activities?

The following network is the basis for the next four questions: -Which of these is the critical path for this project schedule?

The following network is the basis for the next four questions: -Assume all activities are scheduled to begin on their early start times. How much free float slack) does activity B have?

The following network is the basis for the next four questions: -Assume all activities are scheduled to begin on their early start times. Circle the letter of each activity that has free float.

The table below shows PERT estimates te) for activities A through E. Time estimates (days) \text { Time estimates (days) } Time estimates (days) Activity t(o) t(m) t(p) t(e) 4 5 9 ? 1 3 7 ? 3 6 10 ? 2 8 12 ? 1 4 6 ? Based on the table above, the te) for activities A, B and C are: .

Managing Projects: What and Why

The Effective Project Manager

Project Selection: Doing the Right Thing

Project Initiation: Setting the Stage for Action

Project Definition: Creating the Using the Work Breakdown Structure

Assessing and Preparing for Project Uncertainties

Modifying Project Schedules to Accommodate Time and Resource Constraints

Monitoring and Controlling Project Performance

Finishing Well: Project Closure and Learning

Filters

The table below shows PERT estimates t_e₎ for activities A through E. $\text { Time estimates (days) }$ Activity t(o) t(m) t(p) t(e) 4 5 9 ? 1 3 7 ? 3 6 10 ? 2 8 12 ? 1 4 6 ? Based on the table above, the t_e₎ for activities A, B and C are: .