About 10% of the human population is left-handed. Suppose a researcher speculates that artists are more likely to be left-handed than other people in the general population. The researcher surveys 150 artists and finds that 18 of them are left-handed. If we use p to represent the proportion of all artists who are left-handed, the hypotheses are Ho: p = 0.10 and H: p > 0.10. The sample result was that 18 artists of 150 surveyed (or 12%) are left-handed. (a) From the given information, do we know if the conditions necessary to use a z-statistic for this test are met? Explain. sure the sample was selected randomly, the sample siİze is large enough because both np and n(1 – p) are greater than or equal to v We are not 10. (b) State the population of interest, the population parameter of interest, and the value of the sample statistic. The population parameter isp = the proportion of artists who are left handed The population of interest is artists The sample statistic is 0.12 Conduct a hypothesis test using level of significance a = 0.05. Clearly give the details of the five steps. Be sure to write a conclusion. Set up the null and alternative hypothesis. Ho: P H2: p > v 0.1 0.1 Compute the test statistics for this situation. (Round your answer to two decimal places.) Z = ,81 Calculate the p-value for the test. (Round your answer to four decimal places.) ip-value On the basis of the p-value, make a conclusion for this situation. because the p-value is greater than 0.05. Do not reject the null hypothesis v Write a conclusion to this situation in words. We cannot conclude that artists are more likely to be left-handed than people in the general population.
About 10% of the human population is left-handed. Suppose a researcher speculates that artists are more likely to be left-handed than other people in the general population. The researcher surveys 150 artists and finds that 18 of them are left-handed. If we use p to represent the proportion of all artists who are left-handed, the hypotheses are Ho: p = 0.10 and H: p > 0.10. The sample result was that 18 artists of 150 surveyed (or 12%) are left-handed. (a) From the given information, do we know if the conditions necessary to use a z-statistic for this test are met? Explain. sure the sample was selected randomly, the sample siİze is large enough because both np and n(1 – p) are greater than or equal to v We are not 10. (b) State the population of interest, the population parameter of interest, and the value of the sample statistic. The population parameter isp = the proportion of artists who are left handed The population of interest is artists The sample statistic is 0.12 Conduct a hypothesis test using level of significance a = 0.05. Clearly give the details of the five steps. Be sure to write a conclusion. Set up the null and alternative hypothesis. Ho: P H2: p > v 0.1 0.1 Compute the test statistics for this situation. (Round your answer to two decimal places.) Z = ,81 Calculate the p-value for the test. (Round your answer to four decimal places.) ip-value On the basis of the p-value, make a conclusion for this situation. because the p-value is greater than 0.05. Do not reject the null hypothesis v Write a conclusion to this situation in words. We cannot conclude that artists are more likely to be left-handed than people in the general population.
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
Please help me only for the p-value on part (c), thank you!
![About 10% of the human population is left-handed. Suppose a researcher speculates that artists are more likely to be left-handed than other people in the general population. The
researcher surveys 150 artists and finds that 18 of them are left-handed.
If we use p to represent the proportion of all artists who are left-handed, the hypotheses are Ho: p = 0.10 and H: p > 0.10. The sample result was that 18 artists of 150 surveyed (or
12%) are left-handed.
(a) From the given information, do we know if the conditions necessary to use a z-statistic for this test are met? Explain.
sure the sample was selected randomly, the sample siİze is
large enough because both np and n(1 – p) are greater than or equal to v
We are not
10.
(b) State the population of interest, the population parameter of interest, and the value of the sample statistic.
The population parameter isp = the proportion of artists who are left handed
The population of interest is artists
The sample statistic is
0.12
Conduct a hypothesis test using level of significance a = 0.05. Clearly give the details of the five steps. Be sure to write a conclusion.
Set up the null and alternative hypothesis.
Ho: P
H2: p > v
0.1
0.1
Compute the test statistics for this situation. (Round your answer to two decimal places.)
Z = ,81
Calculate the p-value for the test. (Round your answer to four decimal places.)
ip-value
On the basis of the p-value, make a conclusion for this situation.
because the p-value is greater
than 0.05.
Do not reject the null hypothesis v
Write a conclusion to this situation in words.
We cannot
conclude that artists are more likely to be left-handed than people in the general population.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe5f558a7-14fc-4024-84d6-4debb1adc6f6%2F33a8bfeb-cb07-4a6c-ac7c-be436cb1d379%2Fc37pkxf.png&w=3840&q=75)
Transcribed Image Text:About 10% of the human population is left-handed. Suppose a researcher speculates that artists are more likely to be left-handed than other people in the general population. The
researcher surveys 150 artists and finds that 18 of them are left-handed.
If we use p to represent the proportion of all artists who are left-handed, the hypotheses are Ho: p = 0.10 and H: p > 0.10. The sample result was that 18 artists of 150 surveyed (or
12%) are left-handed.
(a) From the given information, do we know if the conditions necessary to use a z-statistic for this test are met? Explain.
sure the sample was selected randomly, the sample siİze is
large enough because both np and n(1 – p) are greater than or equal to v
We are not
10.
(b) State the population of interest, the population parameter of interest, and the value of the sample statistic.
The population parameter isp = the proportion of artists who are left handed
The population of interest is artists
The sample statistic is
0.12
Conduct a hypothesis test using level of significance a = 0.05. Clearly give the details of the five steps. Be sure to write a conclusion.
Set up the null and alternative hypothesis.
Ho: P
H2: p > v
0.1
0.1
Compute the test statistics for this situation. (Round your answer to two decimal places.)
Z = ,81
Calculate the p-value for the test. (Round your answer to four decimal places.)
ip-value
On the basis of the p-value, make a conclusion for this situation.
because the p-value is greater
than 0.05.
Do not reject the null hypothesis v
Write a conclusion to this situation in words.
We cannot
conclude that artists are more likely to be left-handed than people in the general population.
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 4 steps with 3 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