Question: Did the events of September 11 impact the future plans of high school seniors? Educators have expressed fear that the economic impact may mean that fewer students can afford to attend college. Some commentators have suggested that a heightened sense of patriotism may increase military enlistments, while others think that the existence of actual hostilities may deter young people from choosing a military path. A polling organization wants to investigate what this year's high school seniors are planning to do after the graduate.

Determine a 90% confidence interval for the true percentage of seniors planning to go to college this year. Explain carefully what your interval means.

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