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Question one: The grades on a math midterm at Harvard university are normally distributed with a mean of 70 and a population standard deviation of
Question one:
The grades on a math midterm at Harvard university are normally distributed with a mean of 70 and a population standard deviation of 5.5. Show your work.
- What percentage of students scored less than 60 on the exam?
- What percentage of students scored more than a 65 on the exam?
- If a student scored an 86 on the exam, did they score in the top 15% of scores? Show your work for how you determined.
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Advanced Engineering Mathematics
Authors: Erwin Kreyszig
3rd Edition
471507288, 978-0471507284
