For the first few answers we have 112, 16; 0.9154; 87.12 and now I just have to figure out the quartiles. On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 112 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(Correct,Correct)  b. Find the probability that a randomly selected person's IQ is over 90. Correct Round your answer to 4 decimal places. c. A school offers special services for all children in the bottom 6% for IQ scores. What is the highest IQ score a child can have and still receive special d. Find the Inter Quartile Range (IQR) for IQ scores. Round your answers to 2 decimal places. Q1:  Q3:  IQR:

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For the first few answers we have 112, 16; 0.9154; 87.12 and now I just have to figure out the quartiles.

On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 112 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(Correct,Correct) 

b. Find the probability that a randomly selected person's IQ is over 90. Correct Round your answer to 4 decimal places.

c. A school offers special services for all children in the bottom 6% for IQ scores. What is the highest IQ score a child can have and still receive special

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

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