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Higher Education

A random sample of likely students for higher studies showed that 28% would want to pursue economics. The margin of error is 4.5 percentage points with a 95% confidence level.

a. Using a carefully worded sentence, report the 95% confidence interval for the percentage of students who plan to choose economics.

b. Is there evidence that there will not be enough students for economics?

c. Suppose the survey was conducted in one section out of 12 sections of the classes eligible to participate in the survey. Explain how that would affect your conclusion.

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