The test scores for the analytical writing section of a particular standardized test can be approximated by a normal​ distribution, as shown in the figure. Mean: 3.8 standart deviation: 0.77   Score 1.6      3.8       6     ​(a) What is the maximum score that can be in the bottom 15​% of​ scores? ​(b) Between what two values does the middle 70 % of scores​ lie?   ​(a) The maximum score that can be in the bottom 15​%is____.(Round to two decimal places as​ needed.) ​(b) The middle 70%of scores lies between____on the low end and ____on the high end. ​(Round to two decimal places 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
The test scores for the analytical writing section of a particular standardized test can be approximated by a normal​ distribution, as shown in the figure.
Mean: 3.8
standart deviation: 0.77
 
Score 1.6      3.8       6
 
 
​(a) What is the maximum score that can be in the bottom
15​% of​ scores?
​(b) Between what two values does the middle 70 % of scores​ lie?
 
​(a) The maximum score that can be in the bottom
15​%is____.(Round to two decimal places as​ needed.)
​(b) The middle 70%of scores lies between____on the low end and ____on the high end.
​(Round to two decimal places as​ needed.)
Expert Solution
Step 1

It is given that the test scores follows normal distribution with mean 3.8 and standard deviation 0.77.

trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
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.
Similar questions
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