Posted by **Kathy** on Tuesday, April 30, 2013 at 11:39am.

A national study reports that 20% of college freshman have GPA above 3.5. We wish to determine if the corresponding proportion is higher at a local university. To conduct the test we select a random sample of 100 freshmen and determine that 26 of them have GPA above 3.5. Run the test at a 5% significance using the p – value approach.

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