On a planet far far away from Earth IQ of the ruling species

Last updated: 4/3/2023

On a planet far far away from Earth IQ of the ruling species is normally distributed with a mean of 115 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 75 decimal places Round your answer to 4 c A school offers special services for all children in the bottom 4 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 d Find the Inter Quartile Range IQR for IQ scores Round your answers to 2 decimal places Q1 Q3 IQR Hint