The average amount of money spent for lunch per person in the college cafeteria is $6.57 and the standard deviation is $2.23. Suppose that 44 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N( b. What is the distribution of x? ¤ ~ N(| c. For a single randomly selected lunch patron, find the probability that this patron's lunch cost is between $6.95 and $7.33. d. For the group of 44 patrons, find the probability that the average lunch cost is between $6.95 and $7.33. e. For part d), is the assumption that the distribution is normal necessary? ONoOYes
The average amount of money spent for lunch per person in the college cafeteria is $6.57 and the standard deviation is $2.23. Suppose that 44 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N( b. What is the distribution of x? ¤ ~ N(| c. For a single randomly selected lunch patron, find the probability that this patron's lunch cost is between $6.95 and $7.33. d. For the group of 44 patrons, find the probability that the average lunch cost is between $6.95 and $7.33. e. For part d), is the assumption that the distribution is normal necessary? ONoOYes
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![The average amount of money spent for lunch per person
in the college cafeteria is $6.57 and the standard
deviation is $2.23. Suppose that 44 randomly selected
lunch patrons are observed. Assume the distribution of
money spent is normal, and round all answers to 4
decimal places where possible.
a. What is the distribution of X? X ~ N(
b. What is the distribution of x? ¤ ~ N(|
c. For a single randomly selected lunch patron, find
the probability that this patron's lunch cost is
between $6.95 and $7.33.
d. For the group of 44 patrons, find the probability
that the average lunch cost is between $6.95 and
$7.33.
e. For part d), is the assumption that the distribution is
normal necessary? ONoOYes](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2f747901-2308-4266-8524-09ac15c64b8d%2F4c87908e-6060-4379-9758-d457f69ad626%2Fsgfntg.jpeg&w=3840&q=75)
Transcribed Image Text:The average amount of money spent for lunch per person
in the college cafeteria is $6.57 and the standard
deviation is $2.23. Suppose that 44 randomly selected
lunch patrons are observed. Assume the distribution of
money spent is normal, and round all answers to 4
decimal places where possible.
a. What is the distribution of X? X ~ N(
b. What is the distribution of x? ¤ ~ N(|
c. For a single randomly selected lunch patron, find
the probability that this patron's lunch cost is
between $6.95 and $7.33.
d. For the group of 44 patrons, find the probability
that the average lunch cost is between $6.95 and
$7.33.
e. For part d), is the assumption that the distribution is
normal necessary? ONoOYes
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 1 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
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…](https://www.bartleby.com/isbn_cover_images/9780134683416/9780134683416_smallCoverImage.gif)
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
![The Basic Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319042578/9781319042578_smallCoverImage.gif)
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](https://www.bartleby.com/isbn_cover_images/9781319013387/9781319013387_smallCoverImage.gif)
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman