Excursions in Modern Mathematics (9th Edition)
9th Edition
ISBN: 9780134468372
Author: Peter Tannenbaum
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 1, Problem 17E
Table 1-25 (see Exercise 3) shows the preference schedule for an election with five candidates (A, B, C., D. and F). In this election ties are not allowed to stand, and the following tie-breaking rule is used: Whenever there is a tie between candidates, the tie is broken in favor of the candidate with the fewer last-place votes. Use the plurality method to
a. find the winner of the election.
b find the complete ranking of the candidates.
Table1-25
Number of voters | 5 | 5 | 3 | 3 | 3 | 2 |
1st | A | C | A | B | D | D |
2nd | B | E | D | E | C | C |
3rd | C | D | B | A | B | B |
4th | D | A | C | C | E | A |
5th | E | B | E | D | A | E |
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
The Rosetown community association plans to meet once each month. The association members are deciding what day of the week to meet by holding a vote.
The choices are Monday (M), Tuesday (T), and Friday (F). Instead of voting for only one day, each member ranks the three days in order of preference. Each
member's ballot gives the member's first, second, and third choice for a monthly meeting day. Here are the ballots submitted.
Baliot 1
Ballot 2
Ballot 3
Ballot 4
Ballot 5
Ballot 6
Balot 7
Ballot 8
Ballot 9
1st
M.
14
M
F.
M.
1st
2n
2n
2nd
2nd
M
M
T.
2nd
2
2nd
2nd
2nd
M.
3rd
3rd
3rd
F
3rd
3rd
M
3rd
3rd
M.
3rd
Ballot 10
Ballot 11
Ballot 12
Ballot 13
Balot 14
Ballot 15
Ballot 16
1st
F
M
1st
T.
M
14
2nd
T.
2nd
T.
2nd
2ne
20
2n M
2nd
F
M
3rd
M
3rd
3rd
M
3rd
3
3rd
Construct a preference table to summarize the ballots. You can add or remove columns in the table as needed. Note: The individual ballots above will highlight
when clicked. (Highlighting the ballots can help you with your…
An election is held to choose the chair of a department at a university. The candidates are Professors Argand, Brandt, Chavez, Dietz, and Epstein (A, B, C, D, and E
for short). The following table gives the preference schedule for the election. Use the table to complete parts (a) through (c).
Number of Voters
4
3
6.
3
4
1st choice
B
B
A
A
2nd choice
A
C
D
A
D
3rd choice
4th choice
D
A
D
B.
B.
E
B
B
5th choice
E
A
D
E
(a) How many people voted in this election?
voters
(Type a whole number.)
(b) How many first-place votes are needed for a majority?
The smallest number for a majority is votes.
(e) Which candidate had the fewest last-place votes?
B.
A
The members of campus club are having a cleanup drive.There are three departments who will participate theactivity: BSAB, BSPA, and BSCD. The members areasked to rank these choices in order of preference (table). f. Use Borda Count method to determine the winner.g. How many points did the winner in letter (f) receive?
Chapter 1 Solutions
Excursions in Modern Mathematics (9th Edition)
Ch. 1 - Figure 1-8 shows the preference ballots for an...Ch. 1 - Figure 1-9 shows the preference ballots for an...Ch. 1 - An election is held to choose the Chair of the...Ch. 1 - The student body at Eureka High School is having...Ch. 1 - An election is held using the printed-names format...Ch. 1 - Prob. 6ECh. 1 - Prob. 7ECh. 1 - Table 1-30 shows a conventional preference...Ch. 1 - The Demublican Party is holding its annual...Ch. 1 - The Epicurean Society is holding its annual...
Ch. 1 - Table 1-31 shows the preference schedule for an...Ch. 1 - Table 1-32 shows the preference schedule for an...Ch. 1 - Table 1-33 shows the preference schedule for an...Ch. 1 - Table 1-34 shows the preference schedule for an...Ch. 1 - Table 1-35 shows the preference schedule for an...Ch. 1 - Table1-36 shows the preference schedule for an...Ch. 1 - Table 1-25 see Exercise 3 shows the preference...Ch. 1 - Table 1-26 see Exercise 4 shows the preference...Ch. 1 - Table 1-25 see Exercise 3 shows the preference...Ch. 1 - Table 1-26 see Exercise 4 shows the preference...Ch. 1 - Table 1-31see Exercise 11 shows the preference...Ch. 1 - Table 1-32 see Exercise 12 shows the preference...Ch. 1 - Table 1-33 see Exercise 13 shows the preference...Ch. 1 - Table 1-34 Number of voters 6 6 5 4 3 3 1st A B B...Ch. 1 - Table 1-35 Percent of voters 24 23 19 14 11 9 1st...Ch. 1 - Table 1-36 Percent of voters 25 21 15 12 10 9 8...Ch. 1 - The Heisman Award. Table 1-37 shows the results...Ch. 1 - The 2014 AL Cy Young Award. Table 1-38 shows the...Ch. 1 - An election was held using the conventional Borda...Ch. 1 - Imagine that in the voting for the American League...Ch. 1 - Table 1-31 see Exercise 11 shows the preference...Ch. 1 - Table 1-32 see Exercise 12 shows the preference...Ch. 1 - Table1-33 Number of voters 6 5 4 2 2 2 2 1st C A B...Ch. 1 - Table 1-34 See Exercise 14 shows the preference...Ch. 1 - Table1-39_ shows the preference schedule for an...Ch. 1 - Table1-40_ shows the preference schedule for an...Ch. 1 - Table 1-35 see Exercise 15 shows the preference...Ch. 1 - Table 1-36 see Exercise 16 shows the preference...Ch. 1 - Top-Two Instant-Runoff Voting. Exercises 39 and 40...Ch. 1 - Top-Two Instant-Runoff Voting. Exercises 39 and 40...Ch. 1 - Table 1-31 see Exercise 11 shows the preference...Ch. 1 - Table 1-32 See Exercise 12 shows the preference...Ch. 1 - Table 1-33 see Exercise 13 shows the preference...Ch. 1 - Table 1-34 see Exercise 14 shows the preference...Ch. 1 - Table 1-35 see Exercise 15 shows the preference...Ch. 1 - Table 1-36 see Exercise 16 shows the preference...Ch. 1 - Table 1-39 see Exercise 35 shows the preference...Ch. 1 - Table1-40 see Exercise36 shows the preference...Ch. 1 - An election with five candidates A, B. C, D, and E...Ch. 1 - An election with six candidates A, B, C, D, E, and...Ch. 1 - Use Table 1-41 to illustrate why the Borda count...Ch. 1 - Use Table 1-32 to illustrate why the...Ch. 1 - Use Table 1-42 to illustrate why the plurality...Ch. 1 - Use the Math Club election Example 1.10 to...Ch. 1 - Use Table 1-43 to illustrate why the...Ch. 1 - Explain why the method of pair wise comparisons...Ch. 1 - Prob. 57ECh. 1 - Explain why the plurality method satisfies the...Ch. 1 - Explain why the Borda count method satisfies the...Ch. 1 - Explain why the method of pairwise comparisons...Ch. 1 - Two-candidate elections. Explain why when there...Ch. 1 - Alternative version of the Borda count. The...Ch. 1 - Reverse Borda count. Another commonly used...Ch. 1 - The average ranking. The average ranking of a...Ch. 1 - The 2006 Associated Press college football poll....Ch. 1 - The Pareto criterion. The following fairness...Ch. 1 - The 2003-2004 NBA Rookie of the Year vote. Each...Ch. 1 - Top-two IRV is a variation of the...Ch. 1 - The Coombs method. This method is just like the...Ch. 1 - Bucklin voting. This method was used in the early...Ch. 1 - The 2016 NBA MVP vote. The National Basketball...Ch. 1 - The Condorcet loser criterion. If there is a...Ch. 1 - Consider the following fairness criterion: If a...Ch. 1 - Suppose that the following was proposed as a...Ch. 1 - Consider a modified Borda count where a...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, subject and related others by exploring similar questions and additional content below.Similar questions
- Use the Condorcet method to determine the winner of the election. Four students are running for president of the school: • Ariana (A), • Brett (B), • Carlos (C), and • DeeDee (D). The 5 clubs and their members were asked to rank all candidates. Number of Voters Preference Order 1st to last 19 A C D 15 В D A C 11 D A C В 7 D В A D A В a A b В C d No Condorcet winner O O O Oarrow_forwardFind a preference table for an election with candidates A, B, and C, where A wins using the Borda count method. Choose the correct answer below. O A. Number of Votes 15 10 First Choice Second Choice Third Choice C. Number of Votes First Choice Second Choice Third Choice 5 A B C C C B B A A 15 10 4 A C с C B A B A B B. Number of Votes First Choice Second Choice Third Choice D. Number of Votes First Choice Second Choice Third Choice 5 10 5 A B C C C B B A A 15 10 5 A B C C A B B C Aarrow_forward6. School children were surveyed to determine their favorite Justice League character. The students ranked the characters in order of preference; the results are shown in the preference schedule below. RANKING SUPERMAN 3. BATMAN 3 IRON MAN No. of students: 10 12 15 14 11 a. How many students are in the class? b. How many votes are required for a majority? c. Using plurality voting, which character is the children's favorite? 1. 2. 2. 1. 3. 1. 3. 2. 3. 2.arrow_forward
- The members of campus club are having a cleanup drive.There are three departments who will participate theactivity: BSAB, BSPA, and BSCD. The members areasked to rank these choices in order of preference ,andthe results are summarized in the following preferencetable (attached) b. Use the plurality method to determine the winner.c. What percent of the votes did the winner in letter (b)receive?d. Use the majority method to determine the winner.arrow_forwardmembers of the executive committee of the Student Senate must vote for a student representative for the college board of trustees from among three candidates: Greenburg (G), Haskins (H), and Vazquez (V). The preference table follows. Determine the winner using the Borda count method. Number of Votes 6 3 5 2 First G H V V Second H V G H Third V G H G Choose the correct answer below. A. Greenburg B. There is no winner. There is a three way tie. C. Haskins D. Vazquez E. There is no winner. There is a tie between Greenburg and Vazquez.arrow_forwardEleven members of the executive committee of the Student Senate must vote for a student representative for the college board of trustees from among three candidates: Greenburg (G), Haskins (H), and Vazquez (V). The preference table follows. Determine the winner using the Borda count method. Number of Votes 4 2 4 1 First G H V V Second H V G H Third V G H G Choose the correct answer below. A. Vazquez B. There is no winner. There is a three way tie. C. There is no winner. There is a tie between Greenburg and Vazquez. D. Haskins E. Greenburgarrow_forward
- The members of a club are going to elect a president from four nominees using the Borda count method. The 30 members of the club mark their ballots as shown in the table below, where each first-place vote receives 4 points, each second-place vote receives 3 points, each third- place votes receives 2 points, and the last-place vote receives 1 point. Rankings LITI Brenda 4 1 3 2 KD 2 3 4 1 4 Alexa 3 2 2 1 Anji 1 4 3 4 Number of Voters 10 6 6 5 3 Then, the total points obtained by Brenda is the total points obtained by KD is the total points obtained by Alexa is the total points obtained by Anji is By Borda count method, is elected president.arrow_forwardUse the Condorcet method to determine the winner of the election. Four students are running for president of the school: • Ariana (A), • Brett (B), • • DeeDee (D). The 5 clubs and their members were asked to rank all candidates. Number of Voters 19 15 Carlos (C), and σ O O O O n d A B с D 11 7 2 Preference Order 1st to last с D B с с D A A A A C D D A с D B olmalı B B Barrow_forward37-41: Preference Schedules. Consider the following preference schedules: a. How many votes were cast? b. Find the plurality winner. Did the plurality winner also receive a majority? Explain. c. Find the winner of a runoff between the top two candidates. d. Find the winner of a sequential runoff. e. Find the winner by a Board count. f. Find the winner if any by the method of pairwise comparisons. g. Summarize the results of the various methods of determining a winner. Based on these results, is there a clear winner? If so, why? If not, which candidate should be selected as the winner, and why? The answers for 37 are: a. A total of 66 votes were cast. b. Is the plurality winner (but not by a majority). c. D is the winner of the top-two runoff. d. The winner of a sequential runoff is D. e. D is the winner by the Board count. f. D wins by the meth of pairwise comparisons. g. As the winner by all five methods Candidate D is clearly the winner of the election. Hello, tutors. Can you…arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Discrete Mathematics and Its Applications ( 8th I...MathISBN:9781259676512Author:Kenneth H RosenPublisher:McGraw-Hill EducationMathematics for Elementary Teachers with Activiti...MathISBN:9780134392790Author:Beckmann, SybillaPublisher:PEARSON
- Thinking Mathematically (7th Edition)MathISBN:9780134683713Author:Robert F. BlitzerPublisher:PEARSONDiscrete Mathematics With ApplicationsMathISBN:9781337694193Author:EPP, Susanna S.Publisher:Cengage Learning,Pathways To Math Literacy (looseleaf)MathISBN:9781259985607Author:David Sobecki Professor, Brian A. MercerPublisher:McGraw-Hill Education
Discrete Mathematics and Its Applications ( 8th I...
Math
ISBN:9781259676512
Author:Kenneth H Rosen
Publisher:McGraw-Hill Education
Mathematics for Elementary Teachers with Activiti...
Math
ISBN:9780134392790
Author:Beckmann, Sybilla
Publisher:PEARSON
Thinking Mathematically (7th Edition)
Math
ISBN:9780134683713
Author:Robert F. Blitzer
Publisher:PEARSON
Discrete Mathematics With Applications
Math
ISBN:9781337694193
Author:EPP, Susanna S.
Publisher:Cengage Learning,
Pathways To Math Literacy (looseleaf)
Math
ISBN:9781259985607
Author:David Sobecki Professor, Brian A. Mercer
Publisher:McGraw-Hill Education
Finite Math: Markov Chain Example - The Gambler's Ruin; Author: Brandon Foltz;https://www.youtube.com/watch?v=afIhgiHVnj0;License: Standard YouTube License, CC-BY
Introduction: MARKOV PROCESS And MARKOV CHAINS // Short Lecture // Linear Algebra; Author: AfterMath;https://www.youtube.com/watch?v=qK-PUTuUSpw;License: Standard Youtube License
Stochastic process and Markov Chain Model | Transition Probability Matrix (TPM); Author: Dr. Harish Garg;https://www.youtube.com/watch?v=sb4jo4P4ZLI;License: Standard YouTube License, CC-BY