10:43 PM Fri Sep 20 SDS 302 - Homework 2 ... B I U SA 1. = = = IQ scores are based on a normal model with a mean of 100 and standard deviation of 8. (6 pts) a. If a student has an IQ score of 115, what is their z-score? (1 pt) b. What is the probability that a person will have an IQ score higher than 115? (1 pt) C. What percent of population will have IQ scores between 115 and 120? (2 pts) 四 d. If your IQ test results say you are at the 90th percentile, what is your IQ score? (1 pt) e. A person has a z-score of 0. What does this indicate their IQ is? (1 pt) > ¿ + A 8% 14
10:43 PM Fri Sep 20 SDS 302 - Homework 2 ... B I U SA 1. = = = IQ scores are based on a normal model with a mean of 100 and standard deviation of 8. (6 pts) a. If a student has an IQ score of 115, what is their z-score? (1 pt) b. What is the probability that a person will have an IQ score higher than 115? (1 pt) C. What percent of population will have IQ scores between 115 and 120? (2 pts) 四 d. If your IQ test results say you are at the 90th percentile, what is your IQ score? (1 pt) e. A person has a z-score of 0. What does this indicate their IQ is? (1 pt) > ¿ + A 8% 14
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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