MindTap Business Statistics for Ragsdale's Spreadsheet Modeling & Decision Analysis, 8th Edition, [Instant Access], 2 terms (12 months)
8th Edition
ISBN: 9781337274876
Author: Cliff Ragsdale
Publisher: Cengage Learning US
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Suppose you plan to buy a new car and wish to pick a best one from a list of candidate models, shown in Table 1. To make this decision, you have designated a specialist to rate these models for you. In Table 2, each model has been given a score from 1 (the least desired) to 10 (the most desired) according to respective criteria. The weight of each criterion, representing its importance, is given in the bottom row of Table 1.
Please calculate the overall score for each car model and find out the best alternative with the highest overall score.
Table 1 Alternatives and Criteria of Selecting Car
Price
Fuel Efficiency
Maintenance
Access
Interior
Aesthetics
Overall Score
1. Toyota Camry
8
8
7
9
2. Hyundai Elantra
9
8
5
8
3.Skoda Octavia
7
7
7
8
4.VW Passat
7
7
8
7
5.Citroen C4
7
8
7
9
Weights
0.3
0.4
0.2
0.1
China Eastern Airlines…
A battery manufacturing plant has been ordered to cease discharging acidic waste liquids containing mercury into the city sewer system. As a result, the firm must now adjust the pH and remove the mercury from its waste liquids. Quotations from three firms are included in the following table of costs.
Bidder
Installed Cost
Annual Operating Cost
Annual Income from Mercury Recovery
Salvage Value
Foxhill
$ 70,000
$5000
$6500
$10,000
Instrument
Quicksilver
50,000
5000
2500
0
Almaden
90,000
5000
7800
10,000
If the installation will last 15 years and money is worth 12%, which equipment should be purchased?
Solve the following decision tree and create risk profiles and cumulative risk profiles for the alternatives defined by the original decision “A” and “B” using precisionTree. Which alternative is preferred? Explain.
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