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An English professor assigns letter grades on a test according to the following scheme. A: Top 13% of scores B: Scores below the top 13 % and above the bottom 61 % C: Scores below the top 39 % and above the bottom 22 % D: Scores below the top 78 % and above the bottom 6% F: Bottom 6% of scores Scores on the test are normally distributed with a mean of 75.1 and a standard deviation of 9.1. Find the numerical limits for a D grade. Round your answers to the nearest whole number, if necessary.

An English professor assigns letter grades on a test according to the following scheme. A: Top 13% of scores B: Scores below the top 13 % and above the bottom 61 % C: Scores below the top 39 % and above the bottom 22 % D: Scores below the top 78 % and above the bottom 6% F: Bottom 6% of scores Scores on the test are normally distributed with a mean of 75.1 and a standard deviation of 9.1. Find the numerical limits for a D grade. Round your answers to the nearest whole number, if necessary.

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
Problem 1P
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An English professor assigns letter grades on a test according to the following scheme. A: Top 13% of scores B: Scores below the top 13 % and above the bottom 61 % C. Scores below the top 39 % and above the bottom 22 % D: Scores below the top 78 % and above the bottom 6% F: Bottom 6% of scores Scores on the test are normally distributed with a mean of 75.1 and a standard deviation of 9.1. Find the numerical limits for a D grade. Round your answers to the nearest whole number, if necessary.
Transcribed Image Text:An English professor assigns letter grades on a test according to the following scheme. A: Top 13% of scores B: Scores below the top 13 % and above the bottom 61 % C. Scores below the top 39 % and above the bottom 22 % D: Scores below the top 78 % and above the bottom 6% F: Bottom 6% of scores Scores on the test are normally distributed with a mean of 75.1 and a standard deviation of 9.1. Find the numerical limits for a D grade. Round your answers to the nearest whole number, if necessary.
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