(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
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