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(1 pt) A magazine article conducted a survey of 609 people in Washington State a

ID: 3359731 • Letter: #

Question

(1 pt) A magazine article conducted a survey of 609 people in Washington State and found that 20% of the population believe that Mount Saint Helens will have a repeat erruption this year. In the accompanying dialogue, the article states, we are 99% 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 17% and 23% . What does 20% represent in the article?

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

Explanation / Answer

here as 20% is sample proprotion who believe that Mount Saint Helens will have a repeat erruption this year.

as this is a estimate for sample hence it is statistic

option C is correct