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.)

MATLAB: An Introduction with Applications
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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 (\_\_\_, \_\_\_).
(Round to three decimal places as needed.)

The interval is a \_\_\_% confidence interval.
(Round to one decimal place as needed.)

Enter your answer in each of the answer boxes.
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 (\_\_\_, \_\_\_). (Round to three decimal places as needed.) The interval is a \_\_\_% confidence interval. (Round to one decimal place as needed.) Enter your answer in each of the answer boxes.
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