Operations Management: Processes and Supply Chains (12th Edition) (What's New in Operations Management)
12th Edition
ISBN: 9780134741062
Author: Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 23P
The director of continuing education at Bluebird University just approved the planning for a sales training seminar. Her administrative assistant identified the various activities that must be done and their relationships to each other, as shown in Table 7.13.
Because of the uncertainty in planning the new course, the assistant also has supplied the following time estimates for each activity.
The director wants to conduct the seminar 47 working days from now. What is the probability that everything will be ready in time?
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The director of continuing education at Bluebird University just approved the planning for a sales training seminar. Her administra
assistant identified the various activities that must be done and their relationships to each other, as shown in the following table:
Click the icon to view the activities.
Because of the uncertainty in planning the new course, the assistant also has supplied the following time estimates for each acti
Click the icon to view the time estimates.
The director wants to conduct the seminar 46 working days from now. What is the probability that everything will be ready in time
the standard normal table. (Make sure to round all intermediate calculations for t, and variance to two decimal places)
The probability that the seminar will be ready in time is 0.8643]. (Enter your response rounded to four decimal places.)
Farihah is a project manager for a systems development project involving a new database application
for her organization’s human resources department. Despite Farihah’s best efforts at estimating the
time requirements for the project, the team has missed the deadline for completing the Analysis Phase
and producing the System Proposal. Farihah had estimated during her 6-week Planning Phase that
Analysis would require 2 months, but the team finished the System Proposal 2 weeks behind their
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system is more complex than she originally thought. Should Farihah adjust her timeline, or can she try
to make up for the lost two weeks? Farihah needs your advice.
You may need to use the appropriate technology to answer this question.
Due to population growth in the area, the new Liberty High School has just opened in a local school district. The athletic director at Liberty High is planning the launch of the school's track and field team. The first team practice is scheduled for April 1. The activities, their immediate predecessors, and the activity time estimates (in weeks) are listed in the following table.
Time (Weeks)
Activity
Description
ImmediatePredecessor
Optimistic
Most Probable
Pessimistic
A
Meet with board
1
1
2
B
Hire coaches
A
4
6
8
C
Conduct fundraiser
A
2
4
6
D
Announce program
B, C
1
2
3
E
Meet with coaches
B
2
3
4
F
Order team equipment
A
1
2
3
G
Register athletes
D
1
2
3
H
Reserve buses for meets
G
1
2
3
I
Plan first practice
E, H, F
1
1
1
(a)
Draw a project network.
A project network with 11 activities and 13 directed arcs is shown.
Activity Start is connected to activity A.
Activity A…
Chapter 7 Solutions
Operations Management: Processes and Supply Chains (12th Edition) (What's New in Operations Management)
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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