Answered: TOPIC: Applications of Standard Normal…

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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TOPIC: Applications of Standard Normal Distribution

3. The IQ's of 600 applicants to a certain college are approximately normally distributed with µ= 115 and σ = 12. If the college requires an IQ of at least 95, how many of them will be rejected? Note that IQ's are rounded to the nearest integer.

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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