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Portland State University (PSU) reported that 67% of their students receive financial aid. A PSU administrator feels that their school may have a different proportion

Portland State University (PSU) reported that 67% of their students receive financial aid. A PSU administrator feels that their school may have a different proportion compared to all of Oregon schools. A random sample of 419 students in Oregon found that 289 receive financial aid. Test the claim that proportion of students that receive financial aid in Oregon is different than PSU. Use a 5% significance level. Give answer to at least 4 decimal places

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