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A magazine provided results from a poll of 2000 adults who were asked to identify their favorite pie. Among the 2000 respondents, 12% chose chocolate pie, and the margin of error was given as + 3 percentage points. Describe what is meant by the statement that "the margin of error was given as +3 percentage points."

A magazine provided results from a poll of 2000 adults who were asked to identify their favorite pie. Among the 2000 respondents, 12% chose chocolate pie, and the margin of error was given as + 3 percentage points. Describe what is meant by the statement that "the margin of error was given as +3 percentage points."

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A magazine provided results from a poll of 2000 adults who were asked to identify their favorite pie. Among the 2000 respondents, 12% chose chocolate pie, and the margin of error was given as +3 percentage points. Describe what is meant by the statement that "the margin of error was given as +3 percentage points." Choose the correct answer below. O A. The statement indicates that the interval 12% +3% is likely to contain the true population percentage of people that prefer chocolate pie. O B. The statement indicates that the study is only 3% confident that the true population percentage of people that prefer chocolate pie is exactly 12%. O C. The statement indicates that the study is 100% - 3% = 97% confident that the true population percentage of people that prefer chocolate pie is 12%. O D. The statement indicates that the true population percentage of people that prefer chocolate pie is in the interval 12% + 3%.
Transcribed Image Text:A magazine provided results from a poll of 2000 adults who were asked to identify their favorite pie. Among the 2000 respondents, 12% chose chocolate pie, and the margin of error was given as +3 percentage points. Describe what is meant by the statement that "the margin of error was given as +3 percentage points." Choose the correct answer below. O A. The statement indicates that the interval 12% +3% is likely to contain the true population percentage of people that prefer chocolate pie. O B. The statement indicates that the study is only 3% confident that the true population percentage of people that prefer chocolate pie is exactly 12%. O C. The statement indicates that the study is 100% - 3% = 97% confident that the true population percentage of people that prefer chocolate pie is 12%. O D. The statement indicates that the true population percentage of people that prefer chocolate pie is in the interval 12% + 3%.
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