Translate the statement into a confidence interval. Approximate the level of confidence. In a survey of 1060 adults in a country, 78% said being able to speak the language is at the core of national identity. The survey's margin of error is ±3.9%. The confidence interval for the proportion is D (Round to three decimal places as needed.) The interval is a % confidence interval. (Round to one decimal place as needed.)
Translate the statement into a confidence interval. Approximate the level of confidence. In a survey of 1060 adults in a country, 78% said being able to speak the language is at the core of national identity. The survey's margin of error is ±3.9%. The confidence interval for the proportion is D (Round to three decimal places as needed.) The interval is a % confidence interval. (Round to one decimal place as needed.)
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 1SE: What term is used to express the likelihood of an event occurring? Are there restrictions on its...
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Transcribed Image Text:Translate the statement into a confidence interval. Approximate the level of confidence.
In a survey of 1060 adults in a country, 78% said being able to speak the language is at the core of national identity. The survey's margin of error is ±3.9%.
The confidence interval for the proportion is D
(Round to three decimal places as needed.)
The interval is a % confidence interval.
(Round to one decimal place as needed.)
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