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Statistics Grades: In a large section of statistics class, the points for the final exam are normally distributed, with a mean of 72 and a standard deviation of 9. Grades are assigned according to the following rule. ▪ The top 10% receive A’s. ▪ The next 20% receive B’s. ▪ The middle 40% receive C’s. ▪ The next 20% receive D’s. ▪ The bottom 10% receive F’s. Find the lowest score on the final exam that would qualify a student for an A, B, C, and a D.

Statistics Grades: In a large section of statistics class, the points for the final exam are normally distributed, with a mean of 72 and a standard deviation of 9. Grades are assigned according to the following rule. ▪ The top 10% receive A’s. ▪ The next 20% receive B’s. ▪ The middle 40% receive C’s. ▪ The next 20% receive D’s. ▪ The bottom 10% receive F’s. Find the lowest score on the final exam that would qualify a student for an A, B, C, and a D.

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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Statistics Grades: In a large section of statistics class, the points for the final exam are normally
distributed, with a mean of 72 and a standard deviation of 9. Grades are assigned according to the following
rule.

▪ The top 10% receive A’s.
▪ The next 20% receive B’s.
▪ The middle 40% receive C’s.
▪ The next 20% receive D’s.
▪ The bottom 10% receive F’s.

Find the lowest score on the final exam that would qualify a student for an A, B, C, and a D.

3. Statistics Grades: In a large section of statistics class, the points for the final exam are normally distributed, with a mean of 72 and a standard deviation of 9. Grades are assigned according to the following rule. • The top 10% receive A's. • The next 20% receive B's. • The middle 40% receive C's. • The next 20% receive D's. • The bottom 10% receive F's. Find the lowest score on the final exam that would qualify a student for an A, B, C, and a D.
Transcribed Image Text:3. Statistics Grades: In a large section of statistics class, the points for the final exam are normally distributed, with a mean of 72 and a standard deviation of 9. Grades are assigned according to the following rule. • The top 10% receive A's. • The next 20% receive B's. • The middle 40% receive C's. • The next 20% receive D's. • The bottom 10% receive F's. Find the lowest score on the final exam that would qualify a student for an A, B, C, and a D.
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