Can you solve the fantasy election riddle? | Dennis E. Shasha

Can you solve the fantasy election riddle? | Dennis E. Shasha

Assessment

Interactive Video

Mathematics, Social Studies

KG - University

Hard

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In a land transitioning to democracy, a polling agency must predict the election outcome between a troll and a tree statesman. Due to voter bias, a coin is used to introduce randomness in polling, allowing troll supporters to deny their preference. A new candidate, a dragon, complicates the election, requiring a more advanced polling method using double coin flips. This technique helps reveal true voter preferences, ensuring accurate predictions.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the main challenge faced by the polling agency in predicting the election outcome?

Inaccurate voter lists

Technical issues with polling equipment

Voters' reluctance to admit support for the troll

Lack of voter turnout

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the coin help in conducting an accurate poll?

It ensures all voters are honest

It introduces randomness to allow deniability

It eliminates biased responses

It records the actual vote of each person

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What event caused a disruption in the election process?

A natural disaster

A third-party candidate burning the tree fellow

A protest by the citizens

A recount of votes

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of flipping the coin twice in the new polling method?

To reduce the polling time

To increase the sample size

To ensure the coin is fair

To disguise both candidates' preferences

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability of getting two heads or two tails in a row when flipping the coin twice?

75%

50%

25%

10%

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the new polling method help in revealing the true preference of voters?

By using a digital voting system

By eliminating undecided voters

By allowing voters to express their true preference in certain cases

By forcing voters to choose a candidate

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the final outcome of the election according to the new polling method?

The tree statesman won

The dragon candidate won

The troll won

The election was declared invalid