Need asap. A magazine article conducted a survey of 1000 people in Washington State and found that 26% of the population believe that Mount Saint Helens will have a repeat erruption this year. In the accompanying dialogue, the article states, we are 90% confident that the true proportion of people in Washington State who believe that Mount Saint Helens will have a repeat erruption this year lies between 23% and 29% . What does 90% represent in the article? A. a confidence interval B. a confidence level C. a margin of error D. a statistic E. a parameter

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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Need asap.

A magazine article conducted a survey of 1000 people in Washington State and found that 26% of the population believe that Mount Saint Helens will have a repeat erruption this year. In the accompanying dialogue, the article states, we are 90% confident that the true proportion of people in Washington State who believe that Mount Saint Helens will have a repeat erruption this year lies between 23% and 29% . What does 90% represent in the article?

A. a confidence interval
B. a confidence level
C. a margin of error
D. a statistic
E. a parameter

 

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