Air pollution control activity us going on in the suvera foods which has an expected activity time of 2 weeks and variance of 2.11. Only the optimistic time is known i.e. 4 days, find the pessimistic time and the most like time of the activity.
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Air pollution control activity us going on in the suvera foods which has an expected activity time of 2 weeks and variance of 2.11. Only the optimistic time is known i.e. 4 days, find the pessimistic time and the most like time of the activity.
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- 15. For the network shown: Crash Cost/week - (CC-NC)/(NT-CT) TOTAL COST-$44,000 Crash D-$1,000 Crash G-$2,000 Crash A-$3,000 0 0 ATS) Activity A B 54 C D E F 45 45 B(10) C(8) 1514 15 10 13 12 14 Normal Time 5 8 6 7 14 15 15 D(6) 21 20 19 21 a. Determine the critical path and the early completion time in weeks for the project. b. For the data shown, reduce the project completion time by three weeks. Assume a lin- ear cost per week shortened, and show, step by step, how you arrived at your schedule. 20 19 E(7) 14 13 17 F(4) 17 21 Normal Cost $7,000 12,000 5,000 4,000 3,000 6,000 7,000 21 20 21 25 G(4) 25 Crash Time 3 7 7 24 23 22 A 2 B3 C1 D1 E1 5 6 F1 3 G1 Crash Cost $13,000 18,000 7,000 5,000 6,000 7,000 9,000 A $3,000 B $2,000 C $2,000 D $1,000 E $3,000 F $1,000 G $2,0001.The chief engineer of firm XYZ is responsible for supervising the construction work of a road. He has identified the activities and their durations for each stage of operation. Activity Duration (days) Preceding activities A 5 - B 10 - C 1 - D 8 B E 10 B F 9 B G 3 A,D H 7 A,D I 4 F J 3 F K 5 C,J L 8 H,E,I,K M 4 CJ Draw a network diagram (AOA) for this road construction project. Which are the critical activities? How long the project will take?Activity Immediate Predecessors Optimistic Time (a) Most Likely Time (m) Pessimistic Time (b) Variance A - 6 8 9 .25 B - 9 12 15 1.00 C A, B 4 6 11 1.36 D B 3 4.5 6 .25 E A 1 2 3 .11 F C 1 3 5 .44 G E,F 5 6 10 .69 H D,F 2 3 4 .11 I G,H 1 1 1 .00 J I 2 3 7 .69 (b) Determine the Expected Times. (c) Determine the activity schedule (ES, EF, LS, and LF) as well as slack. (d) Determine and state the critical path for this project.
- Activity Event Immediate [1 12 A B A C A D B E B F C G D H E,F,G I |Н J I Questions: 3 4 15 16 B. The following table shows the various activities of the development of a new product in your organization. 7 18 19 10 Predecessor(s) Estimates of Activity Duration (Weeks) Optimistic Most Likely (Tm) (To) 2 1 1 ? 3 2 ? 3 3 2 3 12 5 ? 13 14 Pessimistic (Tp) 14 ? 4 16 5 ? 4 16 3 a. Calculate ALL the missing (?) data points. b. Draw the PERT network from the given data. Average (Te) ? 12 2.2 5 14 13 2.2 ? 14 c. Determine ALL the paths, the critical path and its total duration in days. d. Explain the limitations of the Gantt Cart as a planning tool.Activity Immediate Predecessors Optimistic Time (a) Most Likely Time (m) Pessimistic Time (b) Variance A - 6 8 9 .25 B - 9 12 15 1.00 C A, B 4 6 11 1.36 D B 3 4.5 6 .25 E A 1 2 3 .11 F C 1 3 5 .44 G E,F 5 6 10 .69 H D,F 2 3 4 .11 I G,H 1 1 1 .00 J I 2 3 7 .69 (e) What are the expected time and the variance of the project? (f) What is the probability that the project is completed in 32 or fewer weeks? (g) What date should be set such that there is a 94% chance of completion within that time?Activity Predecessor Activities Normal Crashed Duration (Days) Cost ($) Duration Cost ($) KA - 5 2000 3 5600 LB - 7 3000 4 7800 MC A 10 4000 7 6100 ND AB 11 5000 8 8000 PE B 6 2400 4 3600 RF C 8 3000 6 5100 QG C,D,E 4 4200 1 3000 SH E,G 5 5500 3 2500 What is the ES for Activity G and and LS for activity F?
- 1) Consider the following list of activities with time (in months) Activity A B C D E F G H Immediate Predecessor ----- ----- A A,B A,B C D,F E,G Activity Optimistic Most Probable Pessimistic A 3.5 4.0 4.5 B 2.0 3.0 7.0 C 6.5 7.5 10.0 D 5.0 5.5 6.0 E 5.0 6.5 8.0 F 8.0 9.5 11 G 6.0 7.0 9.5 H 4.0 5.0 6.0 a) Identify the critical path. b) What is the expected time to complete the project? c) What is the variance of the project completion time? d) What is the probability of completing in 32 months?A network consists of the activities in the following list. Times are given in weeks. Activity Preceding Time A В 3 -- C A 7 А, В 3 E 4 F D a. Draw the network diagram. b. Calculate the ES, EF, LS, LF, and Slack for each activity. Early Finish Early Start Task Late Late Slack Start Finish A B C D E F c. What is project completion time?c) A research and development department in XYZ Company is developing a new product for the company to attract more customers and hence maximize on sales. The R & D manager has revealed that the following activities will take place in the coming weeks. Activity ABCDEFGH А с Η I Immediate predecessors None A A B B с E D,F G,H Optimistic time 4 5 4 15 10 8 4 1 6 Most likely time 6 7 8 20 18 9 00 8 2 7 Pessimistic time 8 15 12 25 26 16 12 3 8 Page 1 of 5 i. Draw the network for this project. ii. Calculate the estimated time for each activity. iii. Find the Critical Path and the expected number of weeks for completion of the project.
- Remaining Time: 1 hour, 55 minutes, 58 seconds. A Question Completion Status: 1 2 3 4 6. 7. 8. 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 A Moving to another question will save this response. Quèstion 3 «< Ques 4 points Targeting is defined as evaluating each market segments attractiveness and selecting one or more segments to enter. List and briefly explain the four targeting strategies. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 10pt 工%厄白 Q5d 州 x? X, RBC V - 田田用国 田田図 P. O WORDS POW A Moving to another question will save this response. « < Ques hpThe following table shows the various activities of the development of a new product in your organization. Activity Event Immediate Predecessor(s) Estimates of Activity Duration (Weeks) Optimistic (To) Most Likely (Tm) Pessimistic (Tp) Average (Te) 1 A - 2 3 4 ? 3 2 B A 1 2 3 2 3 C A 1 2.05 4 2.2 4 D B 4 5 6 5 5 E B 3 4 5 4 6 F C 2 3 4 3 7 G D 1.2 2 4 2.2 8 H E,F, G 3 4 6 4.167 9 I H 3 4 5 4 10 J I 2 1 3 1.5 Questions: Draw the PERT network from the given data. (Activity Event Immediate 1 2 3 4 15 16 7 18 19 B. The following table shows the various activities of the development of a new product in your organization. 10 A B C D E F G H I Predecessor(s) A A B B C D E,F,G |Н I Estimates of Activity Duration (Weeks) Most Likely Pessimistic (Tm) 3 2 ? Optimistic (TO) 2 1 11 |? 3 2 ? 3 3 5 ? 3 12 14 ? (Tp) 4 ? 4 16 5 4 16 5 Questions: a. Calculate ALL the missing (?) data points. b. Draw the PERT network from the given data. Average (Te) ? 2 2.2 15 14 3 2.2 14 c. Determine ALL the paths. the critical path and its total duration in days.