Approximately 20.5% of the U.S. population 5 years old and older speaks a language other than English at home. In a large metropolitan area, it was found that out of 400 randomly selected residents over 5 years of age, 94 spoke a language other than English at home. Is there sufficient evidence to conclude that the proportion is higher than the national proportion? Choose your level of significance (make sure to clearly state what you are using)

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