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On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 115 and a standard
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:
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Forecasting Time Series And Regression
Authors: Bruce L. Bowerman, Richard O'Connell, Anne Koehler
4th Edition
0534409776, 9780534409777
