Confidence interval for the percentage of all seniors

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A survey was conducted to determine what percent of college seniors would have chosen to attend a different college if they had known then what they know now. In a random sample of 200 seniors, 31 percent indicated that they would have attended a different a different college. A 90 percent confidence interval for the percentage of all seniors who would have attended a different college is?

Reference no: EM132855342

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