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Solve the following by applying the concepts of percentiles under the normal curve. Show complete solution. Illustrate. 1. In a National Achievement Test, the mean was found to be 75 and the standard deviation was 15. The scores also approximate the normal distribution. b. What is the two extreme scores outside of which 15% of the group are expected to fall?

Solve the following by applying the concepts of percentiles under the normal curve. Show complete solution. Illustrate. 1. In a National Achievement Test, the mean was found to be 75 and the standard deviation was 15. The scores also approximate the normal distribution. b. What is the two extreme scores outside of which 15% of the group are expected to fall?

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
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answer the following problems. do not use excel. 

Solve the following by applying the concepts of percentiles under the normal curve. Show complete solution. Illustrate. 1. In a National Achievement Test, the mean was found to be 75 and the standard deviation was 15. The scores also approximate the normal distribution. b. What is the two extreme scores outside of which 15% of the group are expected to fall?
Transcribed Image Text:Solve the following by applying the concepts of percentiles under the normal curve. Show complete solution. Illustrate. 1. In a National Achievement Test, the mean was found to be 75 and the standard deviation was 15. The scores also approximate the normal distribution. b. What is the two extreme scores outside of which 15% of the group are expected to fall?
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