A certain standardized test's math scores have a bell-shaped distribution with a mean of 520 and a standard deviation of 105. Complete parts (a) through (c). (a) What percentage of standardized test scores is between 415 and 625? 68 % (Round to one decimal place as needed.) (b) What percentage of standardized test scores is less than 415 or greater than 625? % (Round to one decimal place as needed.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

Part B

A certain standardized test's math scores have a bell-shaped distribution with a mean of 520 and a standard deviation of 105. Complete parts (a)
through (c).
.....
(a) What percentage of standardized test scores is between 415 and 625?
68 % (Round to one decimal place as needed.)
(b) What percentage of standardized test scores is less than 415 or greater than 625?
% (Round to one decimal place as needed.)
Transcribed Image Text:A certain standardized test's math scores have a bell-shaped distribution with a mean of 520 and a standard deviation of 105. Complete parts (a) through (c). ..... (a) What percentage of standardized test scores is between 415 and 625? 68 % (Round to one decimal place as needed.) (b) What percentage of standardized test scores is less than 415 or greater than 625? % (Round to one decimal place as needed.)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Area of a Circle
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
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman