The marks of the students in a class are normally distributed with mean 70 and S.D. of 5. If the instructor decides to give 'A’ grade to the top 15% students of the class, how many marks a student must get to be able to get ʼA’ grade?
The marks of the students in a class are normally distributed with mean 70 and S.D. of 5. If the instructor decides to give 'A’ grade to the top 15% students of the class, how many marks a student must get to be able to get ʼA’ grade?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 31PPS
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