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. = 0.10 and H: p > 0.10. The sample result was that 18 artists of 150 surveyed (or If we use p to represent the proportion of all artists who are left-handed, the hypotheses are Ho: P 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. We are not sure the sample was selected randomly, the sample size is large enough because both np and n(1 – p) are greater than or equal to v 10. (b) State the population of interest, the population parameter of interest, and the value of the sample statistic. The population parameter is p = the proportion of artists who are left handed The population of interest is artists The sample statistic is (c) 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 Ha: P 0.1 0.1 Compute the test statistics for this situation. (Round your answer to two decimal places.) Calculate the p-value for the test. (Round your answer to four decimal places.) p-value = On the basis of the p-value, make a conclusion for this situation. because the p-value is ---Select--- v than 0.05. ---Select--- Write a conclusion to this situation in words. conclude that artists are more likely to be left-handed than people in the general population. We ---Select---
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. = 0.10 and H: p > 0.10. The sample result was that 18 artists of 150 surveyed (or If we use p to represent the proportion of all artists who are left-handed, the hypotheses are Ho: P 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. We are not sure the sample was selected randomly, the sample size is large enough because both np and n(1 – p) are greater than or equal to v 10. (b) State the population of interest, the population parameter of interest, and the value of the sample statistic. The population parameter is p = the proportion of artists who are left handed The population of interest is artists The sample statistic is (c) 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 Ha: P 0.1 0.1 Compute the test statistics for this situation. (Round your answer to two decimal places.) Calculate the p-value for the test. (Round your answer to four decimal places.) p-value = On the basis of the p-value, make a conclusion for this situation. because the p-value is ---Select--- v than 0.05. ---Select--- Write a conclusion to this situation in words. conclude that artists are more likely to be left-handed than people in the general population. We ---Select---
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
Topic Video
Question
Part (b) and (c) please
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.
= 0.10 and H: p > 0.10. The sample result was that 18 artists of 150 surveyed (or
If we use p to represent the proportion of all artists who are left-handed, the hypotheses are Ho: P
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.
We are not
sure the sample was selected randomly, the sample size is
large enough because both np and n(1 – p) are greater than or equal to v
10.
(b) State the population of interest, the population parameter of interest, and the value of the sample statistic.
The population parameter is p = the proportion of artists who are left handed
The population of interest is artists
The sample statistic is
(c) 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
Ha: P
0.1
0.1
Compute the test statistics for this situation. (Round your answer to two decimal places.)
Calculate the p-value for the test. (Round your answer to four decimal places.)
p-value =
On the basis of the p-value, make a conclusion for this situation.
because the p-value is ---Select--- v than 0.05.
---Select---
Write a conclusion to this situation in words.
conclude that artists are more likely to be left-handed than people in the general population.
We ---Select---
Expert Solution
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 2 images
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
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
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
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman