n her class in Statistics, Miss Ped told the students that they need a grade in the top 10% of the class to get an A in a particular test. n the standardization of the test, the mean was 70 and the standard deviation was 12. Assuming that the grades would be normally distributed, what must be the minimum grade needed to obtain an A? Round off answers to the nearest whole number. Blank 1

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 her class in Statistics, Miss Ped told the students that they need a grade in the top 10% of the class to get an A in a particular test.
In the standardization of the test, the mean was 70 and the standard deviation was 12. Assuming that the grades would be normally
distributed, what must be the minimum grade needed to obtain an A? Round off answers to the nearest whole number. Blank 1
Transcribed Image Text:In her class in Statistics, Miss Ped told the students that they need a grade in the top 10% of the class to get an A in a particular test. In the standardization of the test, the mean was 70 and the standard deviation was 12. Assuming that the grades would be normally distributed, what must be the minimum grade needed to obtain an A? Round off answers to the nearest whole number. Blank 1
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