An education researcher claims that at most 6% of working college students are employed as teachers or teaching assistants. In a random sample of 200 working college students, 8% are employed as teachers or teaching assistants. At α=0.05, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below.
An education researcher claims that at most 6% of working college students are employed as teachers or teaching assistants. In a random sample of 200 working college students, 8% are employed as teachers or teaching assistants. At α=0.05, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below.
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
|
An education researcher claims that at most
6%
of working college students are employed as teachers or teaching assistants. In a random sample of
200
working college students,
8%
are employed as teachers or teaching assistants. At
α=0.05,
is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below.![An education researcher claims that at most 6% of working college students are employed as teachers or teaching assistants. In a random sample of
200 working college students, 8% are employed as teachers or teaching assistants. At a = 0.05, is there enough evidence to reject the researcher's
claim? Complete parts (a) through (e) below.
(a) Identify the claim and state Ho and Ha-
Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice.
(Type an integer or a decimal. Do not round.)
O A.
% of working college students are employed as teachers or teaching assistants.
O B. The percentage of working college students who are employed as teachers or teaching assistants is not
O C. At most
% of working college students are employed as teachers or teaching assistants.
O D. More than
% of working college students are employed as teachers or teaching assistants.
Let p be the population proportion of successes, where a success is a working college student who is employed as a teacher or teaching assistant.
State H, and Hạ. Select the correct choice below and fill in the answer boxes to complete your choice.
(Round to two decimal places as needed.)
O A. Ho: pz
О В. Но: р-
O C. Ho: p<
H3i p<
Hai p=
O D. Ho:p=
O E. Ho: p>
OF. Ho: ps
Ha:p =
Hạ: ps
Hại p>
(b) Find the critical value(s) and identify the rejection region(s).
Identify the critical value(s) for this test.
Zo
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
Identify the rejection region(s). Select the correct choice below and fill in the answer box(es) to complete your choice.
(Round to two decimal places as needed.)
O A. The rejection region is
O B. The rejection regions are z<
and z>
OC. The rejection region is z<
O D. The rejection region is z>
(c) Find the standardized test statistic z.
%3=
(Round to two decimal places as needed.)
(d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim.
V the null hypothesis. There
enough evidence to
v the researcher's claim.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2d61885e-fe6e-4bfd-84e5-1b76982c021f%2F74f3e28a-b26b-49fd-ab76-cc1455a02008%2F08r46_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An education researcher claims that at most 6% of working college students are employed as teachers or teaching assistants. In a random sample of
200 working college students, 8% are employed as teachers or teaching assistants. At a = 0.05, is there enough evidence to reject the researcher's
claim? Complete parts (a) through (e) below.
(a) Identify the claim and state Ho and Ha-
Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice.
(Type an integer or a decimal. Do not round.)
O A.
% of working college students are employed as teachers or teaching assistants.
O B. The percentage of working college students who are employed as teachers or teaching assistants is not
O C. At most
% of working college students are employed as teachers or teaching assistants.
O D. More than
% of working college students are employed as teachers or teaching assistants.
Let p be the population proportion of successes, where a success is a working college student who is employed as a teacher or teaching assistant.
State H, and Hạ. Select the correct choice below and fill in the answer boxes to complete your choice.
(Round to two decimal places as needed.)
O A. Ho: pz
О В. Но: р-
O C. Ho: p<
H3i p<
Hai p=
O D. Ho:p=
O E. Ho: p>
OF. Ho: ps
Ha:p =
Hạ: ps
Hại p>
(b) Find the critical value(s) and identify the rejection region(s).
Identify the critical value(s) for this test.
Zo
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
Identify the rejection region(s). Select the correct choice below and fill in the answer box(es) to complete your choice.
(Round to two decimal places as needed.)
O A. The rejection region is
O B. The rejection regions are z<
and z>
OC. The rejection region is z<
O D. The rejection region is z>
(c) Find the standardized test statistic z.
%3=
(Round to two decimal places as needed.)
(d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim.
V the null hypothesis. There
enough evidence to
v the researcher's claim.
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 7 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
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](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