Question
On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 120 and a standard deviation
On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 120 and a standard deviation of 15. Suppose one individual is randomly chosen. Let X = IQ of an individual. Round all your answers to 2 decimal places if necessary. a. What is the distribution of X? X ~ N(Correct,Correct) 120,15 b. Find the probability that a randomly selected person's IQ is over 110. c. A school offers special services for all children in the bottom 7% for IQ scores. What is the highest IQ score a child can have and still receive special services? d. Find the Inter Quartile Range (IQR) for IQ scores. Q1: Correct-110 Q3: Correct-130 IQR:
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Path To College Mathematics (Subscription)
Authors: Elayn Martin Gay
1st Edition
0134654560, 9780134654560
