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The mean grade on a statistics exam is/M=82, the standard deviation is=12. What actual grade has a z-score of z = -1.5

The mean grade on a statistics exam is/M=82, the standard deviation is=12. What actual grade has a z-score of z = -1.5

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
Problem 1P
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The mean grade on a statistics exam isM=82, the standard deviation is=12. What actual grade has a z-score of z =-1.5
Transcribed Image Text:The mean grade on a statistics exam isM=82, the standard deviation is=12. What actual grade has a z-score of z =-1.5
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The normal distribution  in the center are generally denser and basically less denser at tails. There are two parameters for defining the normal distribution are the mean and standard deviation. The normal distribution curve is defined as the continuous of the probability distribution that is generally symmetrical on both sides of mean that is the right side of the center is a mirror image of the left side

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