1. IQ scores have a mean of 100 and a standard deviation of 16. Albert Einstein reportedly had an IQ of 160. Convert Einstein's IQ score to a z score. a. b. If we consider "usual IQ scores to be those that convert z scores between -2 and 2, is Einstein's IQ usual c unusual? c. The organization MENSA, which calls itself the "high IQ society", requires a score of 130 or higher. Wha percent of adults would qualify for membership?
1. IQ scores have a mean of 100 and a standard deviation of 16. Albert Einstein reportedly had an IQ of 160. Convert Einstein's IQ score to a z score. a. b. If we consider "usual IQ scores to be those that convert z scores between -2 and 2, is Einstein's IQ usual c unusual? c. The organization MENSA, which calls itself the "high IQ society", requires a score of 130 or higher. Wha percent of adults would qualify for membership?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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- In a recent study on world happiness, participants were asked to evaluate their current lives on a scale from 0 to 10, where 0 represents the worst possible life and 10 represents the best possible life. The responses were
normally distributed , with a mean of 5.4 and a standard deviation of 2.2.
Find the probability that a randomly selected study participant’s response was:
- Less than 4
- Between 4 and 6
- More than 8
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