Consider the following work breakdown structure: Activity Start A B C UDEF Precedes A,B C,D D E TIM F F End Time Estimates (days) Most Likely Pessimistic Optimistic 44 45 42 31 27 58 50 60 45 40 36 70 What is the estimated expected (mean) time for activity E? 56 75 48 49 39 82
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- If Task B is delayed by 2 days, which of the following task will be directly impacted? Task Duration Predecessor A 3 days - B 5 days A C 4 days B D 2 days B E 1 day C, D F 1 day E a. Task F b. Task C c. None of the above. d. Task E e. Task DCompletion of three activities is required to accomplish a job. The administrator would liketo know if differences in the arrangement of the three activities results in different jobaccomplishment times. He selects three workers and demonstrates the activities in random orderto them. Then each worker accomplishes the job with each of the activity arrangements. Thecompletion times are recorded. The following table shows the minutes for each worker toaccomplish each job. Arrangements Workers Time Consumed (minutes) Mr. X Mr. Y Mr. ZA 22.4 18.6 21.5B 19.2 20.2 20.7C 20.3 17.0 20.4 Using one percent level of significance, answer following questions:i. Is there a difference in job accomplishment times among different arrangements?ii. Is there a difference in job accomplishment times between the workers?A bar chart shows the number and type of resources you need throughoutyour project is called a _______________.A. Organizational ChartB. Resource histogramC. Resource ScheduleD. Staffing Timetable You have identified an opportunity to potentially increase the project’s value.Which of the following is an example of enhancing that opportunity?A. By taking additional actions, you increase the potential reward without reducing itsprobabilityB. By forming a partnership with another company, the project’s value will increase forboth companiesC. By taking out insurance, you can reduce potential costs to the projectD. By documenting the opportunity in the register, you can keep track of it and ensureit gets exploited
- Chapter 3. Dr. Kay is learning how to make some traditional Indian food and comes upon this recipe for a childhood favorite (White Dhokla): https://recipes.timesofindia.com/us/recipes/white-dhokla/rs59190882.cms (Links to an external site.). In an effort to remain organized she sorts out the steps of the recipe to get an estimate of how much time it would take her to complete the recipe. Immediate Time Activity Description Predecessor (Hours) A Soak lentils & rice -- 8 B Grind lentil-rice mixture A 0.5 C Ferment lentil-rice mixture B 8 D Heat the steamer C 0.25 E Prepare the pans with mixture C 0.25 F Steam the pans D, E 1 G Prepare tempering E 0.25 H Temper, Cool, and serve F, G 0.25 Draw a network diagram for this process. What is the total expected time in hours for this recipe to be completed? hours Show the activity schedule. There is only one non-critical…Consider a project to produce custom door moldingsfor GMC Acadia cross-over vehicles, described inTable 7.4. a. If you start the project immediately, when will it be finished?b. You are interested in completing your project as soon aspossible. You have only one option. Suppose you couldassign Employee A, currently assigned to activity G, tohelp Employee B, currently assigned to activity F. Eachweek that Employee A helps Employee B will result inactivity G increasing its time by one week and activity Freducing its time by one week. How many weeks shouldEmployee A work on activity F?An assembly task was broken down into four elements, and timed using the continuous timing method. The resulting data and performance ratings are provided below. Calculate the total standard time for this task. Element 1 2 3 4 Watch Time 1.85 2.96 5.42 7.10 Observed Time Rating 95 105 120 115 Normal Time Total ST Standard Time
- Why is a work breakdown structure useful in a project such asthis? Take the 26 activities and break them into what you thinkshould be level-2, level-3, and level-4 tasks.1. What is the cycle time? 2. What is the theoretical minimum number of workstations? 3. Which of the following statements is FALSE? a. All of the tasks A, B and C should be finished first before task F can be started. b.All of the tasks A through H should be finished first before task I can be started. c.Tasks A, B, and C can be started as soon as possible. d. All of the tasks B, E, C and F should be finished first before task H can be started.How would you prioritize these three tasks: a) completing a project due tomorrow, b) attending a meeting with your boss, and c) helping a colleague with a task they're struggling with?
- (Note: Task N is a dummy task. It must be included in the relationships, but its duration is 0. Be sure its duration is set to 0) Please see attached charts and diagram. Assign the following resources to the tasks. All resources will be full time. (Set the leveling to manual first). Task Resource Cost / Day A R1 200 B R2 300 C R3 300 D R4 300 E R2 300 F R4 300 G R1 200 H R5 200 I R6 400 J R5 200 K R1 200 L R3 300 M R2 300 N - - 2. Level if necessary. Then determine the new critical path and duration. 3. What is the total cost of the project (Fixed + Resource cost)? How much does the project need in the first, second, and third weeks?(Note: Task N is a dummy task. It must be included in the relationships, but its duration is 0. Be sure its duration is set to 0) Please see attached charts and diagram. Assign the following resources to the tasks. All resources will be full time. (Set the leveling to manual first). Task Resource Cost / Day A R1 200 B R2 300 C R3 300 D R4 300 E R2 300 F R4 300 G R1 200 H R5 200 I R6 400 J R5 200 K R1 200 L R3 300 M R2 300 N - - 1. Check for over-allocation. Which resources are over allocated? 2. Level if necessary. Then determine the new critical path and duration. 3. What is the total cost of the project (Fixed + Resource cost)? How much does the project need in the first, second, and third weeks?The following are some observations of worker timings for a number of elements that make up a task. The total allowance factor is 15% task OBSERV.1 OBS.2 OBS.3 OBS.4 OBS.5 OBS.6 PERF. RATING A 8 9 10 13 14 12 120% B 3 4 5 4 3 6 85% C 5 6 7 4 5 7 105% D 3 2 1 3 2 2 95% Calculate the average times for each element A, B, C etc. Calculate the normal (basic) time for each job element. Ie. Normal time = (Average observed time) x (Rating) Find the total normal time for the whole task (A+B+C +….) Compute the standard time for the Job. 2. Name 5 advantages of work sampling over time study. 3.What is the difference between design capacity and effective capacity in a production environment?