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:
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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I HAVE ANSWERED A,B AND C. I JUST NEED HELP WITH LETTER D QUESTION WHICH IS Q1,Q3 AND IQR. THANK YOU
Transcribed Image Text:On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 102 and
a standard deviation of 16. Suppose one individual is randomly chosen. Let X = IQ of an individual.
a. What is the distribution of X? X - N( 102
16
b. Find the probability that a randomly selected person's IQ is over 92. 0.7340
Round your answer to 4
decimal places.
c. A school offers special services for all children in the bottom 5% for IQ scores. What is the highest IQ
score a child can have and still receive special services? 75.68
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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