An instructor is administering a final examination. She tells her class that she will give an A to the 10% of the students who earn the highest grades. Past experience with the same examination has shown that the mean grade is 75 the standard deviation is 8. What grade would a student need in order and to earn an A?
An instructor is administering a final examination. She tells her class that she will give an A to the 10% of the students who earn the highest grades. Past experience with the same examination has shown that the mean grade is 75 the standard deviation is 8. What grade would a student need in order and to earn an A?
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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