Answered: In an October 2022 election poll done…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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Question

In an October 2022 election poll done by the Oregonian on the Oregon Governor's Race, 561 likely voters were polled. It was found that 45% of the sample would vote for Drazan and 44% would vote for Kotek. The margin of error on this poll was calculated to be +/-4.2%. A confidence level was not shown.

Use the margin of error to calculate the confidence interval for Drazan, enter answers as a percentage to one decimal place.

Drazan Lower Value = %

Drazan Upper Value = %

Use the margin of error to calculate the confidence interval for Kotek, enter answers as a percentage to one decimal place.

Kotek Lower Value = %

Kotek Upper Value = %

How would you interpret the results of the results of this poll.

We cannot tell who is going to win because the confidence intervals overlap, so it is possible for either of them to get more votes.
We shouldn't believe polls, because they are always biased and wrong.
No one will win, beause no one gets more than 50% according to this poll.
Drazan is predicted to win the election because his percentage is higher.
Kotek is prediected to win the election because his percentage is lower.

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