Use the graph to solve the system of linear equations.
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Mean is and a standard deviation is
, then the variable
.
Use substitution
.
This substitution gives you that .
a. For X=130, and
(the decimal value is taken from the Standard Normal Distribution Table).
b. For X=90, and for X=110,
. Then
(the decimal value is taken from the Standard Normal Distribution Table).
The difference between Pre-Image and Image is given as follows:
- Image is the shape AFTER a transformation is the picture of the transformation.
- A transformation's preimage is the shape BEFORE the change.
Usually, the difference between image and pre-image is the way or method of transformation.
<h3>What is transformation in math?</h3>A transformation is a broad phrase covering four distinct methods of changing the shape and/or location of a point, line, or geometric figure.
The Pre-Image is the original shape of the item, and the Image during the transformation is the final shape and location of the object.
The types of transformation in math are;
- translation
- rotation
- reflection, and
- dilation.
Learn more about pre-image:
brainly.com/question/8405245
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Hope this helps!, I have to have more than 20 characters so ignore this!
