(b) What is the expected completion time (in hours) of this project?hr(c) What is the probability that the project can be completed within fourteen hours? (Round your answer to four decimal places.) You may need to use the appropriate technology to answer this question.A project consists of five activities as shown in the following table.ActivityFloor sandingFloor buffingPaint mixingWall paintingCeiling paintingStartOptimistic Time (hr) Most Probable Time (hr)StartFloorBuffingPaintMixingNaturally, paint mixing precedes the painting activities. Also,(a) Construct the PERT/CPM network for this problem.FloorSanding4PaintMixing40.533PaintWallPaintCeilingPaintCeilingPaintWall55147.5FloorSandingPessimistic Time (hr)FloorBuffingFinish6Finish6ceiling painting and floor sanding must be dor1.5119iStartStartprior to floor buffing.FloorSandingPaintMixingFloorBuffingPaintMixingPaintCeilingPaintWallPaintWallPaintCeilingFloorBuffingFloorSandingFinishFinish

A project has 5 activities with 3 time estimates:ActivityOptimistic Time(hr)Most Likely…

Answered: A project consists of five activities…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Table A Activity Predecessor Time(weeks) A 8 B A 6 4 -- 9 E A 11 В 3 G D, E, F Using Table A, what is the earliest completion time for this project? Multiple Cholce 18 weeks 19 weeks 20 weeks 21 weeks
I need help with part d. Bragg's Bakery is building a new automated bakery in downtown Sandusky. Here are the activities that need to be completed to get the new bakery built and the equipment installed. ACTIVITY PREDECESSOR NORMAL TIME (WEEKS) CRASH TIME (WEEKS) EXPEDITING COST per WEEK A — 9 6 $ 3,000 B A 8 5 3,500 C A 15 10 4,000 D B, C 5 3 2,000 E C 10 6 2,500 F D, E 2 1 5,000 b-1. Identify the critical path. A-C-E-F A-B-D-F A-C-D-F b-2. What is the normal project length? 36 weeks c. What is the project length if all activities are crashed to their minimum? 23 weeks d. Bragg's loses $3,500 in profit per week for every week the bakery is not completed. How many weeks will the project take if we are willing to pay crashing cost as long as it is less than $3,500 for each week crashed? I need help with this question. Thank you!
4 01:34:47 The network diagram and task times for a project are shown below. A₁ A2 Late start time A3 Task A₁ A₂ A3 A₁ A5 What is the late start time for activity A3 ? Duration (days) 7 6644 A4 days A5
please only anwer the C part
Questions in red 15-16
Please don't provide handwriting solution
Kelle Carpet and Trim installs carpet in commercial offices. Peter Kelle has been very concerned with the amount of time it took to complete several recent jobs. Some of his workers are very unreliable. A list of activities and their optimistic completion time, the most likely completion time, and the pessimistic completion time (all in days) for a new contract are given in the following table: Time (days) Activity a 3 5 3 4 1 2 7 TH 3 10 10 ABCD E F G H I K 61 525DE5 13 m Activity A 3 7 11 15 9 This exercise contains only part a. a) Based on the activity time estimates, the expected times and variance for each of the activities are: (Round your responses to two decimal places.) b 9 5 3 8 5 13 49127 13 Immediate Predecessor(s) Expected Time C B, D A, E A, E F G C H, I Variance
PERT-CPM Yu and Mi Company is planning to computerize its accounting system. Its IT consultant has determined the following activities required to complete this project together with the time estimates and precedence relationships. Time estimates (weeks) Optimistic Most Likely Pessimistic 5 Activity Description Predecessor Recruit project personnel System development System training Equipment training Manual system test Prel. System changeover Computer-personnel interface Equipment redesign Equipment testing J A 8 12 17 B 3 15 C A 4 7 10 D A 8 23 В. С В. С D, E D, E E F 1 1 1 1 4 13 3 H 1 2.5 7 I H 1 1 1 System debugging and installation Equipment changeover F, G G, I K 5 8. 11 a. Determine the expected project completion time and the variance. b. What is the project's critical path? c. Determine the probability that the project will be completed in 40 weeks or less.
M.
Consider the following data for a project to install a new server at the Northland Pines High School: Activity a. Choose the correct network diagram below. O A. Activity Time (days) Immediate Predecessor(s) 3 5 6 A 4 B III 1 B 5 B, C 3 D, E 6 5 6 A B C E G O B. A F F G, H, I
Consider a project that has the following tasks (with the duration measured in days): Task ID Duration Dependency A 3 14 C,F a) Draw the PERT chart for the above table. Be sure to include sequencing and identification for all tasks and events along with their time estimates. b) What is the critical path. c) What is the total expected duration time represented by the critical path. e
From this PERT/CPM network, determine the list of activities and their predecessors. Activity Immediate Predecessor A B C D E F G H

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