Four students Ahmad, Ali, Zaid, and Noor answered a survey about their preferred mobiles. Ten mobiles were demonstrated, and students were asked to rank the mobiles from 1 to 10, 10 being their highest preference. Huawei P20 Pro Samsung Galaxy S9/S9+ Apple iPhone X LG G7 Thinq Samsung Galaxy Note 8 Google Pixel 2 Apple iPhone 8/8 plus Huawei Mate 10Pro OnePlus 5T Sony Xperia XZ2 Ahmad Ali Zaid 1 8 1 10 1 3 9 4 2 2 2 8 8 5 5 3 3 4 7 10 6 6 9 7 4 7 9 5 6 10 Noor 5 4 1 3 8 6 7 2 10 9 Determine two phones each student gets as gift that will result in students' greatest degree of satisfaction. Each phone cannot be assigned to more than one person.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A fully-defined mathematical model includes:
• Sets & indices definition.
• Data variables definition.
• Decision variables definition.
• Objective function definition.
• Constraints definition. 

Four students Ahmad, Ali, Zaid, and Noor answered a survey about their preferred mobiles. Ten
mobiles were demonstrated, and students were asked to rank the mobiles from 1 to 10, 10 being
their highest preference.
Huawei P20 Pro
Samsung Galaxy S9/S9+
Apple iPhone X
LG G7 Thing
Samsung Galaxy Note 8
Google Pixel 2
Apple iPhone 8/8 plus
Huawei Mate 10Pro
OnePlus 5T
Sony Xperia XZ2
Ahmad Ali
1
8
10
1
9
4
2
2
8
5
3
3
7
10
6
9
4
7
5
6
Zaid
1
3
2
8
5
4
6
7
9
10
Noor
5
4
1
3
8
6
7
2
10
9
Determine two phones each student gets as gift that will result in students' greatest degree of
satisfaction. Each phone cannot be assigned to more than one person.
Transcribed Image Text:Four students Ahmad, Ali, Zaid, and Noor answered a survey about their preferred mobiles. Ten mobiles were demonstrated, and students were asked to rank the mobiles from 1 to 10, 10 being their highest preference. Huawei P20 Pro Samsung Galaxy S9/S9+ Apple iPhone X LG G7 Thing Samsung Galaxy Note 8 Google Pixel 2 Apple iPhone 8/8 plus Huawei Mate 10Pro OnePlus 5T Sony Xperia XZ2 Ahmad Ali 1 8 10 1 9 4 2 2 8 5 3 3 7 10 6 9 4 7 5 6 Zaid 1 3 2 8 5 4 6 7 9 10 Noor 5 4 1 3 8 6 7 2 10 9 Determine two phones each student gets as gift that will result in students' greatest degree of satisfaction. Each phone cannot be assigned to more than one person.
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