Use technology and a t-test to test the claim about the population mean μ at the given level of significance a using the given sample statistics. Assume the population is normally distributed. Claim: μ> 73; x = 0.10 Sample statistics: X= 75.9, s=2.8, n=28 What are the null and alternative hypotheses? Choose the correct answer below. Ο Α. Μοί με 73 HA: H<73 OC. Ho: μ#73 HA: H=73 What is the value of the standardized test statistic? The standardized test statistic is 0.73. (Round to two decimal places as needed.) ← Ho: H≤73 HA: H>73 OD. Ho: H=73 HA: H#73

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
Use technology and a t-test to test the claim about the population mean μ at the given level of significance & using the given sample statistics. Assume the population is normally distributed.
Claim: μ> 73; α = 0.10 Sample statistics: x = 75.9, s = 2.8, n = 28
What are the null and alternative hypotheses? Choose the correct answer below.
Ho:μ ≥73
HA: μ< 73
A.
C. Ho: μ#73
HA: μ = 73
What is the value of the standardized test statistic?
The standardized test statistic is 0.73. (Round to two decimal places as needed.)
B. Ho: μ≤73
HA: μ>73
D. Ho: μ = 73
HA: μ#73
Transcribed Image Text:Use technology and a t-test to test the claim about the population mean μ at the given level of significance & using the given sample statistics. Assume the population is normally distributed. Claim: μ> 73; α = 0.10 Sample statistics: x = 75.9, s = 2.8, n = 28 What are the null and alternative hypotheses? Choose the correct answer below. Ho:μ ≥73 HA: μ< 73 A. C. Ho: μ#73 HA: μ = 73 What is the value of the standardized test statistic? The standardized test statistic is 0.73. (Round to two decimal places as needed.) B. Ho: μ≤73 HA: μ>73 D. Ho: μ = 73 HA: μ#73
A humane society claims that less than 72% of households in a certain country own a pet. In a random sample of 400 households in that country, 272 say they own a pet. At α = 0.10, is there enough evidence to
support the society's claim? Complete parts (a) through (c) below.
(a) Identify the claim and state Ho and H₂
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.)
A. Less than 72 % of households in the country own a pet.
% of households in the country own a pet.
C. More than % of households in the country own a pet.
D. The percentage households in the country that own a pet is not %.
B.
Let p be the population proportion of successes, where a success is a household in the country that owns a pet. State Ho and H₂. Select the correct choice below and fill in the answer boxes to complete your
choice.
(Round to two decimal places as needed.)
A. Ho: p²
Ha:p<
D. Ho: P=
H₂: p
B. Ho: ps
Ha:p>
O E. Ho: p 0.72
Ha: p= 0.72
OC. Ho: P<
Ha:pz
F. Ho:p>
Ha:ps
Transcribed Image Text:A humane society claims that less than 72% of households in a certain country own a pet. In a random sample of 400 households in that country, 272 say they own a pet. At α = 0.10, is there enough evidence to support the society's claim? Complete parts (a) through (c) below. (a) Identify the claim and state Ho and H₂ 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.) A. Less than 72 % of households in the country own a pet. % of households in the country own a pet. C. More than % of households in the country own a pet. D. The percentage households in the country that own a pet is not %. B. Let p be the population proportion of successes, where a success is a household in the country that owns a pet. State Ho and H₂. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) A. Ho: p² Ha:p< D. Ho: P= H₂: p B. Ho: ps Ha:p> O E. Ho: p 0.72 Ha: p= 0.72 OC. Ho: P< Ha:pz F. Ho:p> Ha:ps
Expert Solution
steps

Step by step

Solved in 4 steps with 2 images

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
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 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…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
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
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman