Answered: Suppose IQ scores are normally…

Suppose IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What is the probability a random person has an IQ between 110 and 125?

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

Suppose IQ scores are normally distributed with
a mean of 100 and a standard deviation of 15.
What is the probability a random person has an
IQ between 110 and 125?

Expert Solution

Step 1

Let X denote the IQ scores and it follows normal distribution

That is,

$X f o l l o w s N (μ = 100, σ = 15)$

The probability that a random person has an IQ between 110 and 125 is,

Step by step

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