On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 106 and a standard deviation of 14. Suppose one individual is randomly chosen. Let X = IQ of an individual. a. What is the distribution of X? X-N106 14 b. Find the probability that a randomly selected person's IQ is over 95. 0.7852 decimal places. Round your answer to 4 c. A school offers special services for all children in the bottom 2% for IQ scores. What is the highest IQ score a child can have and still receive special services? 77.30 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:
On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 106 and a standard deviation of 14. Suppose one individual is randomly chosen. Let X = IQ of an individual. a. What is the distribution of X? X-N106 14 b. Find the probability that a randomly selected person's IQ is over 95. 0.7852 decimal places. Round your answer to 4 c. A school offers special services for all children in the bottom 2% for IQ scores. What is the highest IQ score a child can have and still receive special services? 77.30 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:
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question 20) please Solve letter D
![Question 20
▼
On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 106 and
a standard deviation of 14. Suppose one individual is randomly chosen. Let X = IQ of an individual.
< >
a. What is the distribution of X? X - NO 106
b. Find the probability that a randomly selected person's IQ is over 95. 0.7852
decimal places.
Hint:
Helpful videos:
14
c. A school offers special services for all children in the bottom 2% for IQ scores. What is the highest IQ
score a child can have and still receive special services? 77.30 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:
Round your answer to 4
• Find a Probability [+]
●
Finding a Value Given a Probability [+]
Hint](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa3f191a8-a1b2-42ed-ac9e-32d60645d728%2Fabd060fc-e166-4cee-96ed-0b517669c340%2Fubgmtn9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 20
▼
On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 106 and
a standard deviation of 14. Suppose one individual is randomly chosen. Let X = IQ of an individual.
< >
a. What is the distribution of X? X - NO 106
b. Find the probability that a randomly selected person's IQ is over 95. 0.7852
decimal places.
Hint:
Helpful videos:
14
c. A school offers special services for all children in the bottom 2% for IQ scores. What is the highest IQ
score a child can have and still receive special services? 77.30 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:
Round your answer to 4
• Find a Probability [+]
●
Finding a Value Given a Probability [+]
Hint
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