Question 10 < > On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 113 and a standard deviation of 17. Suppose one individual is randomly chosen. Let X = IQ of an individual. a. What is the distribution of X? X - N( b. Find the probability that a randomly selected person's IQ is over 117. decimal places. Round your answer to 4 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? Round your answer to 2 decimal places.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Question 10
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On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 113 and
a standard deviation of 17. Suppose one individual is randomly chosen. Let X = IQ of an individual.
>
a. What is the distribution of X? X - N(
b. Find the probability that a randomly selected person's IQ is over 117.
decimal places.
IQR:
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?
Round your answer to 2 decimal
places.
Submit Question
Round your answer to 4
d. Find the Inter Quartile Range (IQR) for IQ scores. Round your answers to 2 decimal places.
Q1:
Q3:
Transcribed Image Text:Question 10 ▼ On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 113 and a standard deviation of 17. Suppose one individual is randomly chosen. Let X = IQ of an individual. > a. What is the distribution of X? X - N( b. Find the probability that a randomly selected person's IQ is over 117. decimal places. IQR: 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? Round your answer to 2 decimal places. Submit Question Round your answer to 4 d. Find the Inter Quartile Range (IQR) for IQ scores. Round your answers to 2 decimal places. Q1: Q3:
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