Homework Help is Here – Start Your Trial Now!
Business
Operations Management
a) Calculate the expected durations, variance, and standard deviation for each project activity b) Using Table 1 and Table 2, determine the probability of completing the project in 53 weeks. c) Using clearly annotated diagrams show the above project network as (i) Activity on Arrow (ii) Activity on Node

a) Calculate the expected durations, variance, and standard deviation for each project activity b) Using Table 1 and Table 2, determine the probability of completing the project in 53 weeks. c) Using clearly annotated diagrams show the above project network as (i) Activity on Arrow (ii) Activity on Node

Practical Management Science
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...
See similar textbooks
icon
Related questions
Question
100%

Activity (C) and (C) are both correct 

Question 1 Table 1 gives the optimistic, most likely, and pessimistic time estimates in weeks for each activity (represented as event or alphabet as may be appropriate). ACIVITY DO NOT OPEN THIS PAGE UNTIL YOU HAVE BEEN TOLD TO DO SO (1-2) (A) 2-3 (B) 2-4 (C) 3-5 (C) 4-5 (D) 5-6(E) NUMBER OF PAGES INCLUDING THE COVER PAGES 3 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 NOTE: O = optimistic durations in weeks M = most probable (likely) durations in weeks P = pessimistic durations in weeks OPTIMISTIC (0) 8 6 14 Areas 2 6 4 Table 2. Area under one-half the normal distribution for various durations expressed as Z, where Z = (D-Te)/ST Z 0.0 0.040 0.079 0.118 0.155 0.192 0.226 0.258 0.288 0.316 Z 1.0 1.1 1.2 1.3 1.4 MOST LIKELY (M) 1.5 1.6 1.7 1.8 1.9 12 12 20 4 12 10 Area 0.341 0.364 0.385 0.403 0.419 0.433 0.475 0.455 0.464 0.471 Z 2.0 2.1 2.2 2.3 2.4 2.5 2.6 PESSIMISTIC 2.7 2.8 2.9 3.0 18 16 24 8 20 14 Area 0.477 0.482 0.486 0.489 0.492 0.494 0.495 0.496 0.497 0.4998 0.4999 As the curve is symmetrical, the same value occurs for -Z as for + Z. Also note that the total area under one-half the curve equals 0.5 a) Calculate the expected durations, variance, and standard deviation for each project activity b) Using Table 1 and Table 2, determine the probability of completing the project in 53 weeks. c) Using clearly annotated diagrams show the above project network as (i) Activity on Arrow (ii) Activity on Node
Transcribed Image Text:Question 1 Table 1 gives the optimistic, most likely, and pessimistic time estimates in weeks for each activity (represented as event or alphabet as may be appropriate). ACIVITY DO NOT OPEN THIS PAGE UNTIL YOU HAVE BEEN TOLD TO DO SO (1-2) (A) 2-3 (B) 2-4 (C) 3-5 (C) 4-5 (D) 5-6(E) NUMBER OF PAGES INCLUDING THE COVER PAGES 3 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 NOTE: O = optimistic durations in weeks M = most probable (likely) durations in weeks P = pessimistic durations in weeks OPTIMISTIC (0) 8 6 14 Areas 2 6 4 Table 2. Area under one-half the normal distribution for various durations expressed as Z, where Z = (D-Te)/ST Z 0.0 0.040 0.079 0.118 0.155 0.192 0.226 0.258 0.288 0.316 Z 1.0 1.1 1.2 1.3 1.4 MOST LIKELY (M) 1.5 1.6 1.7 1.8 1.9 12 12 20 4 12 10 Area 0.341 0.364 0.385 0.403 0.419 0.433 0.475 0.455 0.464 0.471 Z 2.0 2.1 2.2 2.3 2.4 2.5 2.6 PESSIMISTIC 2.7 2.8 2.9 3.0 18 16 24 8 20 14 Area 0.477 0.482 0.486 0.489 0.492 0.494 0.495 0.496 0.497 0.4998 0.4999 As the curve is symmetrical, the same value occurs for -Z as for + Z. Also note that the total area under one-half the curve equals 0.5 a) Calculate the expected durations, variance, and standard deviation for each project activity b) Using Table 1 and Table 2, determine the probability of completing the project in 53 weeks. c) Using clearly annotated diagrams show the above project network as (i) Activity on Arrow (ii) Activity on Node
Expert Solution
steps

Step by step

Solved in 6 steps with 5 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Practical Management Science
Practical Management Science
Operations Management
ISBN:
9781337406659
Author:
WINSTON, Wayne L.
Publisher:
Cengage,
Operations Management
Operations Management
Operations Management
ISBN:
9781259667473
Author:
William J Stevenson
Publisher:
McGraw-Hill Education
Operations and Supply Chain Management (Mcgraw-hi…
Operations and Supply Chain Management (Mcgraw-hi…
Operations Management
ISBN:
9781259666100
Author:
F. Robert Jacobs, Richard B Chase
Publisher:
McGraw-Hill Education
Business in Action
Business in Action
Operations Management
ISBN:
9780135198100
Author:
BOVEE
Publisher:
PEARSON CO
Purchasing and Supply Chain Management
Purchasing and Supply Chain Management
Operations Management
ISBN:
9781285869681
Author:
Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Publisher:
Cengage Learning
Production and Operations Analysis, Seventh Editi…
Production and Operations Analysis, Seventh Editi…
Operations Management
ISBN:
9781478623069
Author:
Steven Nahmias, Tava Lennon Olsen
Publisher:
Waveland Press, Inc.
SEE MORE TEXTBOOKS