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2. In a simple random sample of 225 OSU undergraduates, 45 say they plan to go on to graduate school. Find an 90% confidence interval

2. In a simple random sample of 225 OSU undergraduates, 45 say they plan to go on to graduate school. Find an 90% confidence interval for the proportion of all OSU undergraduates who plan to go on to graduate school.

Write a sentence interpreting this interval.

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