OPERATION MANAGEMENT
2nd Edition
ISBN: 9781260242423
Author: CACHON
Publisher: MCG
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Textbook Question
Chapter 13, Problem 7PA
Goop Inc. needs to order a raw material to make a special polymer. The demand for the polymer is
- a. How many gallons should Goop purchase to maximize its expected profit? [LO13-1]
- b. Suppose Goop purchases 150 gallons of raw material. What is the probability that it will run out of raw material? [LO13-2]
- c. Suppose Goop purchases 300 gallons of raw material. What are the expected sales (in gallons)? [LO13-2]
- d. Suppose Goop purchases 400 gallons of raw material. How much should it expect to spend on disposal costs (in dollars)? [LO13-2]
- e. Suppose Goop wants to ensure that there is a 92 percent probability that it will be able to satisfy its customers’ entire demand. How many gallons of the raw material should it purchase? [LO13-3]
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The Carbondale Hospital is considering the purchase of a new ambulance. The decision will rest partly on the anticipated mileage to be driven next year. The miles driven during the past 5 years are as follows:
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3,000
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5
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a) Using a 2-year moving average, the forecast for year 6 =
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A
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This exercise contains only part a.
a) The correct precedence diagram for the project is shown in
目
F
B
Figure 3
A
E
B
E
☑
D
F
Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time
and the critical path should also be determined. Here are the activity times:
Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s)
A
6
E
3
B
B
8
F
6
B
C
3
A
G
11
C, E
D
1
A
H
7
D, F
Dave's earliest start (ES) and earliest finish (EF) are:
Activity
ES
.EF
A
0
6
B
0
8
C
3
9
D
6
E
F
8
G
22
H
21
Dave's latest start (LS) and latest finish (LF) are:
Activity
LS
LF
H
15
G
11
F
9
Chapter 13 Solutions
OPERATION MANAGEMENT
Ch. 13 - Which of the following is NOT true about the...Ch. 13 - A newsvendor orders the quantity that maximizes...Ch. 13 - Prob. 3CQCh. 13 - Suppose the newsvendor model describes a firms...Ch. 13 - Prob. 5CQCh. 13 - Prob. 6CQCh. 13 - A retailer has two merchandizers, Sue and Bob, who...Ch. 13 - Prob. 8CQCh. 13 - Which of the following changes in the in-stock...Ch. 13 - Prob. 10CQ
Ch. 13 - Prob. 11CQCh. 13 - Prob. 12CQCh. 13 - Prob. 13CQCh. 13 - Prob. 14CQCh. 13 - Dan McClure owns a thriving independent bookstore...Ch. 13 - Flextrola, Inc., an electronics systems...Ch. 13 - Monsanto sells genetically modified seed to...Ch. 13 - Fashionables is a franchisee of The UnLimited, the...Ch. 13 - Teddy Bower is an outdoor clothing and accessories...Ch. 13 - Prob. 6PACh. 13 - Goop Inc. needs to order a raw material to make a...Ch. 13 - Geoff Gullo owns a small firm that manufactures...Ch. 13 - Prob. 9PACh. 13 - Prob. 10PACh. 13 - Prob. 11PA
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