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a survey of a random sample of 1,500 young Americans found that 87% had earned their high school diploma. Based on these results, the 95%

a survey of a random sample of 1,500 young Americans found that 87% had earned their high school diploma. Based on these results, the 95% confidence interval for the proportion of young Americans who have earned their high school dipoma is (0.853, 0.887)

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