A Sample Statistic and Margin of Error Are Given

question 209

Multiple Choice

A sample statistic and margin of error are given. Find the confidence interval likely to contain the population parameterof interest and answer the question.
-A poll conducted the day before the student-body presidential election at a midwestern university showed that 53.0 percent favored Mario, the rest favoring Yin Ling. The margin of error was 5.0
Percentage points. Should Yin Ling have conceded the election?

• A)48% to 53.0%; no
• B)53.0% to 58%; yes
• C)48% to 58%; no
• D)50.5% to 55.5%; yes

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