Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 19. Use the empirical rule to determine the following. ​(a) What percentage of people has an IQ score between 62 and

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 4CYU
icon
Related questions
icon
Concept explainers
Question
Scores of an IQ test have a​ bell-shaped distribution with a mean of
100
and a standard deviation of
19.
Use the empirical rule to determine the following.
​(a) What percentage of people has an IQ score between
62
and
138​?
​(b) What percentage of people has an IQ score less than
43
or greater than
157​?
​(c) What percentage of people has an IQ score greater than
157​?
​(a)
nothing​%
​(Type an integer or a​ decimal.)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question

What percentage of people has an IQ score greater than 157

Solution
Bartleby Expert
SEE SOLUTION
Knowledge Booster
Continuous Probability Distribution
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill