The mean of a test score was 80 with a standard deviation of 13.3. What probable percentage

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The mean of a test score was 80 with a standard deviation of 13.3. What probable percentage of students failed (i.e, worse than 60)?

Posted Date: May 19, 2024 11:08 AM

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The mean of a test score was 80 with a standard deviation of 13.3. What probable percentage

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