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d. Find the Inter Quartile Range (IQR) for IQ scores. Round your answers to 2 decimal places. Q1: Q3: IQR:

d. Find the Inter Quartile Range (IQR) for IQ scores. Round your answers to 2 decimal places. Q1: Q3: IQR:

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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On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 104 and a standard deviation of 15. Suppose one individual is randomly chosen. Let X = 1Q of an individual. a. What is the distribution of X? X - N( 104 15 b. Find the probability that a randomly selected person's IQ is over 112. 0.2981 Round your answer to 4 decimal places. c. A school offers special services for all children in the bottom 7% for IQ scores. What is the highest IQ score a child can have and still receive special services? 81.8 Round your answer to 2 decimal places. d. Find the Inter Quartile Range (IQR) for IQ scores. Round your answers to 2 decimal places. Q1: Q3: IQR:
Transcribed Image Text:On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 104 and a standard deviation of 15. Suppose one individual is randomly chosen. Let X = 1Q of an individual. a. What is the distribution of X? X - N( 104 15 b. Find the probability that a randomly selected person's IQ is over 112. 0.2981 Round your answer to 4 decimal places. c. A school offers special services for all children in the bottom 7% for IQ scores. What is the highest IQ score a child can have and still receive special services? 81.8 Round your answer to 2 decimal places. d. Find the Inter Quartile Range (IQR) for IQ scores. Round your answers to 2 decimal places. Q1: Q3: IQR:
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