Operations Management: Processes and Supply Chains, Student Value Edition Plus MyLab Operations Management with Pearson eText -- Access Card Package (12th Edition)
12th Edition
ISBN: 9780134855424
Author: Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 3P
A project for improving a billing process has the following precedence relationships and activity times.
- Draw the network diagram.
- Calculate the slack for each activity. Which activities are on the critical path?
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(a) Draw an Activity-on-Arrow (AOA) network diagram representing the project. Put the node numbers in circles and draw arrow from node to node, labeling each arrow with the activity letter and determine time.Answer:
A project for improving a billing process has the following precedence relationships and activity times:
a. Draw the network diagram.b. Calculate the slack for each activity. Which activities are on the critical path?
A project for improving a billing process has the following precedence relationships and activity times:a. Draw the network diagram. b. Calculate the slack for each activity. Which activities are on the critical path?
Chapter 7 Solutions
Operations Management: Processes and Supply Chains, Student Value Edition Plus MyLab Operations Management with Pearson eText -- Access Card Package (12th Edition)
Ch. 7 - One of your colleagues comments that software is...Ch. 7 - Explain how to determine the slack for each...Ch. 7 - Define risk as it applies to projects. What are...Ch. 7 - Consider the following data for a project to...Ch. 7 - The following information is known about a project...Ch. 7 - A project for improving a billing process has the...Ch. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Consider the following information for a project...Ch. 7 - Consider the following data for a project to...
Ch. 7 - Paul Silver, owner of Sculptures International,...Ch. 7 - Prob. 9PCh. 7 - The following information concerns a project to...Ch. 7 - Consider a project to produce custom door moldings...Ch. 7 - Table 7.5 contains information about au...Ch. 7 - The Advanced Tech Company has a project to design...Ch. 7 - Prob. 14PCh. 7 - Table 7.8 contains data for the installation of...Ch. 7 - The diagram in Figure 7.12 was developed for the...Ch. 7 - Prob. 17PCh. 7 - Prob. 18PCh. 7 - You are the project manager of the software...Ch. 7 - Jordanne King, the project manager for Webjets...Ch. 7 - Recently, you were assigned to manage a project to...Ch. 7 - In Solved Problem 2, estimate the probability that...Ch. 7 - The director of continuing education at Bluebird...Ch. 7 - Gabrielle Kramer, owner of Pet Paradise, is...Ch. 7 - The project manager of Good Public Relations...Ch. 7 - Consider the office renovation project data in...Ch. 7 - Activity B and activity K are critical activities....Ch. 7 - Prob. 2AMECh. 7 - Prob. 3AMECh. 7 - Prob. 4AMECh. 7 - Prob. 5AMECh. 7 - Assess the four categories of a risk-management...Ch. 7 - Prob. 2VCCh. 7 - Assume you are Denise Tower and have...Ch. 7 - Prob. 1CCh. 7 - Prob. 2CCh. 7 - Prob. 3CCh. 7 - Prob. 4C
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- Consider the following project network. Assume that the time required (in weeks) for each activity is a predictable constant and that it is given by the number along the corresponding branch. Find the earliest time, latest time, and slack for each event. Also identify the critical path.arrow_forwardConsider the following project network. Assume that the time required (in weeks) for each activity is a predictable constant and that it is given by the number along the corresponding branch. Find the earliest time, latest time, and slack for each event. Also identify the critical path Use PERT and CPM Provide table for ACTIVITY, IMMEDIATE PREDECESSOR, DURATION, , TOTAL FLOAT, FREE FLOATarrow_forwardA project consists of the activities in the following table. Times are given in weeks Draw the network diagram Calculate the ES, EF, LS, LF, and slack for each activity What is this project completion time?arrow_forward
- There is a running project in the company that you work for, which has the following activities: Activity Predecessors Duration A - 4 B A 4 C A 7 D B 6 E C 4 F D, E 2 Draw a network diagram for the above activities. Identify the critical path. Show the formula for calculating the EF and ES. “You must mention how did you know that this is your critical path”arrow_forwardUsing the data given below, prepare an activity schedule (table)showing the ES, EF, LS, LF, and slack for each activity. (Table header- activity name, EST, EFT, LST.LFT, Slack)arrow_forwardINSTRUCTIONS: Draw the AON network for Exercise 14 (pg ASSIGNMENT 200 & 201). Complete the forward and backward passes, calculate total slack for each activity, identify the critical path, identify the total project length (or how long it will take to complete the project) based on days, calculate free slack for appropriate activities, and create the Gantt chart. When creating the Gantt chart, you must include slack into the schedule.arrow_forward
- Draw the network and identify the critical path of following data and total slack time in the network. Also calculate the earliest-latest starting and finishing times for each activity and re-plan the above mentioned network to complete the project in less time.arrow_forwardA project manager has compiled a list of major activities that will be required to install a computer information system in her firm. The list includes estimated completion times for activities and precedence relationships.Use Table B1 and Table B2. Activity ImmediatePredecessor Estimated Times(weeks) A — 2-4-6 D A 6-8-10 E D 7-9-12 H E 2-3-5 F A 3-4-8 G F 5-7-9 B — 2-2-3 I B 2-3-6 J I 3-4-5 K J 4-5-8 C — 5-8-12 M C 1-1-1 N M 6-7-11 O N 8-9-13 End H, G, K, O If the project is finished within 26 weeks of its start, the project manager will receive a bonus of $1,000; and if the project is finished within 27 weeks of its start, the bonus will be $500. Find the probability of each bonus. (Round Mean, Standard Deviation to 2 decimal places and Probability to 4 decimal places.) Path Mean Std. Dev. a-d-e-h 24.33 Numeric Response1. Edit Unavailable.24.33correct. 1.35 Numeric Response2. Edit Unavailable.1.35correct. a-f-g 15.50 Numeric…arrow_forwardA project manager has compiled a list of major activities that will be required to install a computer information system in her firm. The list includes estimated completion times for activities and precedence relationships.Use Table B1 and Table B2. Activity ImmediatePredecessor Estimated Times(weeks) A — 2-4-6 D A 6-8-10 E D 7-9-12 H E 2-3-5 F A 3-4-8 G F 5-7-9 B — 2-2-3 I B 2-3-6 J I 3-4-5 K J 4-5-8 C — 5-8-12 M C 1-1-1 N M 6-7-11 O N 8-9-13 End H, G, K, O If the project is finished within 26 weeks of its start, the project manager will receive a bonus of $1,000; and if the project is finished within 27 weeks of its start, the bonus will be $500. Find the probability of each bonus. (Round Mean, Standard Deviation, z-value to 2 decimal places and Probability to 4 decimal places.) Path Mean Std. Dev. a-d-e-h a-f-g b-i-j-k c-m-n-o Probability ($1,000) ______________________________ Probability…arrow_forward
- The activities in the following table describe the construction of a new house. Construct the associated project network ACTIVITY PREDECESSORS DURATION (WEEKS) a Create a spreadsheet to calculate and summarize the earliest and latest start and finish times, the slack for each activity, and the critical activities. (USING EXCEL ONLY, Vlookup, ISERR etc functions) b. Make a gantt chart.arrow_forwardConsider the following project activities: Activity Name Immediate Predecessor (list number/ name, separated by ‘,’) Normal Time A - 6 B - 9 C A 12 D A, B 8 E D 9 F C, E 6 G E 5 Fill the given table with the required data and draw the network diagram for the above project activities to find the critical path.arrow_forwardA project has the following activities, with specified precedents and expected durations (in hours). How much slack does Activity E have?arrow_forward
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