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If a set of grades on a statistics examinations are approximately normally distributed with a mean of 74 and a standard deviation of 7.9. Find,

If a set of grades on a statistics examinations are approximately normally distributed with a mean of 74 and a standard deviation of 7.9. Find,

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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If a set of grades on a statistics examinations are approximately normally distributed with a mean of 74 and a standard deviation of 7.9. Find, a. The lowest passing grade if the lowest 10% of the students are given F's. b. The highest B if the top 5% of the students are given A's. c. The lowest B if the top 10% of the students are given A's and the next 25% are given B's.
Transcribed Image Text:If a set of grades on a statistics examinations are approximately normally distributed with a mean of 74 and a standard deviation of 7.9. Find, a. The lowest passing grade if the lowest 10% of the students are given F's. b. The highest B if the top 5% of the students are given A's. c. The lowest B if the top 10% of the students are given A's and the next 25% are given B's.
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