Answered: A normal curve is over a horizontal…

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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Question

Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0 and standard deviation 1.

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z=0.54

A normal curve is over a horizontal axis. A vertical line segment labeled z = 0.54 extends from the horizontal axis to the curve at 0.54. The area under the curve and to the left of the vertical line segment is shaded.

The area of the shaded region is

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Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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