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Exercise 5

Avg difficulty 2.5

In exercises 5-8, complete the following:

  1. How many voters voted in this election?

  2. How many votes are needed for a majority?

  3. Find the winner under the plurality method.

  4. Find the winner under the Instant Runoff Voting method.

  5. Find the winner under the Borda Count Method.

  6. Find the winner under Copeland's method.

A Portland Community College Board member race has four candidates: E, F, G, H. The votes are:

Number of voters121617153413198
1st choiceGHEEFGHG
2nd choiceEFFHGHGF
3rd choiceFGGFHEFE
4th choiceHEHGEFEH

Lee et al., Math in Society, Democracy — Chapter 5 Review, Exercise 5

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Adapted from Math in Society © 2018–2024 Portland Community College Math Instructors. Licensed under CC BY-SA 4.0. Source: Math in Society. Imported at revision 68ee43c.