IQ tests standardized to a Normal model N(100,18). a) What cutoff value bounds the highest 5% of all IQs? b) What cutoff value bounds the lowest 30% of the IQs? c)What cutoff values bound the middle 60% of the IQs?

IQ tests standardized to a Normal model N(100,18). a) What cutoff value bounds the highest 5% of all IQs? b) What cutoff value bounds the lowest 30% of the IQs? c)What cutoff values bound the middle 60% of the IQs?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

100%

IQ tests standardized to a Normal model

N(100,18).

a) What cutoff value bounds the highest 5% of all IQs?

b) What cutoff value bounds the lowest 30% of the IQs?

c)What cutoff values bound the middle 60% of the IQs?

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