In a large section of a statistics class, the points for the final exam are normally distributed, with a mean of 73 and a standard deviation of 9. Grades are assigned such that the top 10% receive A's, the next 20% received B's, the middle 40% receive C's, the next 20% receive D's , and the bottom 10% receive F's. Find the lowest score on the final exam that would qualify a student for an A, a B, a C, and a D. Click here to view Page 1 of the Standard Normal Table Click here to view Page 2 of the Standard Normal Table. The lowest score that would qualify a student for an A is (Round up to the nearest integer as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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In a large section of a statistics class, the points for the final exam are normally distributed, with a mean of 73 and a standard deviation of 9. Grades are assigned such
that the top 10% receive A's, the next 20% received B's, the middle 40% receive C's, the next 20% receive D's , and the bottom 10% receive F's. Find the lowest score
on the final exam that would qualify a student for an A, a B, a C, and a D.
Click here to view Page 1 of the Standard Normal Table
Click here to view Page 2 of the Standard Normal Table.
The lowest score that would qualify a student for an A is
(Round up to the nearest integer as needed.)
Transcribed Image Text:In a large section of a statistics class, the points for the final exam are normally distributed, with a mean of 73 and a standard deviation of 9. Grades are assigned such that the top 10% receive A's, the next 20% received B's, the middle 40% receive C's, the next 20% receive D's , and the bottom 10% receive F's. Find the lowest score on the final exam that would qualify a student for an A, a B, a C, and a D. Click here to view Page 1 of the Standard Normal Table Click here to view Page 2 of the Standard Normal Table. The lowest score that would qualify a student for an A is (Round up to the nearest integer as needed.)
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