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25-05-2023
Mathematics

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The UNIMY student council claimed that freshman students study at least 2.5 hours per day, on average. A survey was conducted for BCS1133 Statistics and Probability course since this course was difficult to score. The class took a random sample of 30 freshman students and found a mean study time of 137 minutes with a standard deviation of 45 minutes.
i. Write the null hypothesis and the alternative hypothesis based on above scenario. (6M) At alpha= 0.01 level, is the student council's claim correct? Perform the test.

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