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## Precedence Relationship and Individual Activity

Order ID:89JHGSJE83839Style:APA/MLA/Harvard/ChicagoPages:5-10

Instructions:Precedence Relationship and Individual Activity

- The critical path is

a) The longest path

b) Is a combination of all paths

c) Is any path that goes from the starting node to the completion node

d) Is the shortest path

2. Activities with zero slack

a) Lie on a critical path

b) Have no predecessors

c) Must be completed first

d) Can be delayed

3. Which of the following is always true about critical activity?

a) LS=EF

b) EF=ES

c) ES=LS

d) LF=LS

4. Arcs in a project network indicate

a) Precedence relationship

b) Activities

c) The critical path

d) Completion times

5. The purpose of the forward pass in the critical path method technique is to

a) Review each of the precedence relationships in the activity network

b) To calculate the slack time with each node in the activity network

c) To determine the early time each activity can to finish

d) To determine the latest time each activity can finish

6. Activities F, P, and R are the immediate predecessors for activity W. if the earliest finish

times for the three are 12, 15, and 10, then the earliest start time for W is?

a) 10

b) 12

c) 15

d) Cannot be determined

7. Only PERT’s bold assumption is that

a) Individual activity times are dependent on each other

b) Individual activity times can be added together

c) Individual activity times are constant

d) Individual activity times are uncertain

8. An activity has an Optimistic activity time of 3 days, a Most Probably activity time of 6

days, and a Pessimistic activity time of 9 days. The average expected time for activity is

a) 3

b) 5

c) 6

d) 9

9. Activities K, M, and S immediately follow H, and their latest start times are 14, 18, and

11. The latest finish time for activity H is?

a) 11

b) 14c) 18

d) Cannot be determined

10. Only PERT’s bold assumption is that

a) Individual activity times can be added together

b) Individual activity times are uncertain

c) Individual activity times are constant

d) Individual activity times are dependent on each other

11. Decision makers is queuing situation attempts to balance

a) Service level against service cost

b) Operating characteristics against rival rate

c) The number of units in the system against the time in the system

d) The service rate against rival rates

12. Performance measures dealing with the number of units in the line and the time spent

waiting are called

a) System measures

b) Performance queues

c) Operating characteristics

d) Queuing facts

13. If the arrival occurs according to Poisson distribution every 20 minutes, then which is not

true?

a) Arrival rate is 20 arrivals per hour

b) Arrival rate is 3 arrivals per hour

c) Arrival rate is 1/20 per minute

d) Arrival rate is 72 per day

14. Which type of queuing system are you likely to encounter at a grocery store?

a) Single waiting line, single service station

b) Multiple waiting line, single service station

c) Multiple waiting line, multiple service station

d) Single waiting line, multiple service station

15. The number of arrivals to a store follows a Poisson with mean (lambda)= 12/hour. What

is the mean inter-arrival time?

a) 5 hours

b) 5 minutes

c) 12 minutes

d) 12 hours

16. Which of the following is the typical operating characteristics for average number of

units in a queue?

a) L

b) L q (the q is a small lowercase q in the next to bottom right of the L)

c) Wq (the q is a small lowercase q in the next to bottom right of the L)

d) W

17. In a waiting line situation, arrivals occur, on average, every 10 minutes, and 10 units can

be received every hour. What are λ and µ?

a) Λ=10, µ=10

b) Λ =10, µ =6

c) Λ=6, µ=6d) Λ=6, µ =10

18. The arrival rate in queuing formulas is expressed as

a) The mean number of arrivals per channel

b) The mean number between arrivals

c) The mean number of arrivals per time period

d) The minimal number of arrival per time period

19. What queue discipline is assumed by the waiting line models presented in the textbook?

a) Last in first out

b) First come first serve

c) Shortest processing time first

d) No discipline is assumed

20. For many waiting line situation, the arrival occurs randomly and independently of other

arrivals and it has been found that good description of the arrival pattern is provided by

a) A Poisson probability distribution

b) An exponential probability distribution

c) A uniform probability distribution

d) A normal probability distribution- Precedence Relationship and Individual Activity
- Precedence Relationship and Individual Activity

RUBRIC

Excellent Quality95-100%

Introduction45-41 points

The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.

Literature Support91-84 points

The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.

Methodology58-53 points

Content is well-organized with headings for each slide and bulleted lists to group related material as needed. Use of font, color, graphics, effects, etc. to enhance readability and presentation content is excellent. Length requirements of 10 slides/pages or less is met.

Average Score50-85%

40-38 points

More depth/detail for the background and significance is needed, or the research detail is not clear. No search history information is provided.

83-76 points

Review of relevant theoretical literature is evident, but there is little integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are included. Summary of information presented is included. Conclusion may not contain a biblical integration.

52-49 points

Content is somewhat organized, but no structure is apparent. The use of font, color, graphics, effects, etc. is occasionally detracting to the presentation content. Length requirements may not be met.

Poor Quality0-45%

37-1 points

The background and/or significance are missing. No search history information is provided.

75-1 points

Review of relevant theoretical literature is evident, but there is no integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are not included in the summary of information presented. Conclusion does not contain a biblical integration.

48-1 points

There is no clear or logical organizational structure. No logical sequence is apparent. The use of font, color, graphics, effects etc. is often detracting to the presentation content. Length requirements may not be met

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