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Gallup surveyed a large random sample of adults from over 100 countries. These adults were asked the following question: Would you rather live an exciting

Gallup surveyed a large random sample of adults from over 100 countries. These adults were asked the following question: "Would you rather live an exciting life or a calm life?" When the results of the survey were analyzed, it was reported that 72% of the adults who were surveyed said they would rather live a calm life than an exciting life. It was also reported, at the 95% confidence level, that the margin of error was 1.8%. Based on this information, which one of the following would be a proper confidence statement?

A. We are 95% confident that between 72% and 95% of all adults would rather live a calm life than an exciting life. B. We are 95% confident that there is a 1.8% chance a mistake was made when analyzing the survey data. C. We are 95% confident that between 70.2% and 73.8% of the adults who were surveyed by Gallup would rather live a calm life than an exciting life. D. We are 95% confident that 1.8% of the sample misunderstood the survey question. E. We are 95% confident that between 70.2% and 73.8% of all adults would rather live a calm life than an exciting life.

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