80% and surveys 100 people. Test the veterinarian's claim at the a = 0.025 significance level. Preliminary: a. Is it safe to assume that n ≤ 0.05 of all subjects in the population? O Yes No b. Verify np(1-P) 10. Round your answer to one decimal place. np(1 - p) Test the claim: a. The null and alternative hypotheses are O Ho: p = 0.8 Ho: p = 0.8 Ha:p < 0.8 Ha:p / 0.8 Ho:μ = 0.8 Ha: μ + 0.8 Ο Ηo : μ > 0.8 Ha: μ < 0.8 Ο Η: μ < 0.8 Ha: μ > 0.8 O Ho: p < 0.8 Ha:p> 0.8 b. The test is Select an answer ✓ c. Based on the sample of 100 people, 79% owned cats. Calculate the test statistic. Round to two decimal places. 2 =
80% and surveys 100 people. Test the veterinarian's claim at the a = 0.025 significance level. Preliminary: a. Is it safe to assume that n ≤ 0.05 of all subjects in the population? O Yes No b. Verify np(1-P) 10. Round your answer to one decimal place. np(1 - p) Test the claim: a. The null and alternative hypotheses are O Ho: p = 0.8 Ho: p = 0.8 Ha:p < 0.8 Ha:p / 0.8 Ho:μ = 0.8 Ha: μ + 0.8 Ο Ηo : μ > 0.8 Ha: μ < 0.8 Ο Η: μ < 0.8 Ha: μ > 0.8 O Ho: p < 0.8 Ha:p> 0.8 b. The test is Select an answer ✓ c. Based on the sample of 100 people, 79% owned cats. Calculate the test statistic. Round to two decimal places. 2 =
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
20
Transcribed Image Text:The proportion of people that own cats is 80%. A veterinarian believes that this proportion is smaller than
80% and surveys 100 people. Test the veterinarian's claim at the a= 0.025 significance level.
Preliminary:
a. Is it safe to assume that n < 0.05 of all subjects in the population?
Yes
No
b. Verify np(1 - p) > 10. Round your answer to one decimal place.
np(1 - p)
=
Test the claim:
a. The null and alternative hypotheses are
Ho: p=0.8
Ha:p < 0.8
Ho:μ = 0.8
Ha: μ + 0.8
Ho:p < 0.8
Ha:p> 0.8
Ho: p=0.8
Ha:p / 0.8
Ο
Η : μ > 0.8
Ha: μ < 0.8
Ο Η: μ < 0.8
Ha: μ > 0.8
b. The test is
Select an answer
c. Based on the sample of 100 people, 79% owned cats. Calculate the test statistic. Round to two
decimal places.
2 =
d. Calculate the p-value. Round to four decimal places.
e. Make a decision.
Reject the null hypothesis
O Fail to reject the null hypothesis
There is sufficient evidence that the proportion of people who own cats is smaller.
There is not sufficient evidence that the proportion of people who own cats is smaller.
f. Make a conclusion.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps with 2 images
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