A humane society claims that less than 72% of households in a certain country own a pet. In a random sample of 700 households in that Cou At a = 0.05, is there enough evidence to support the society's claim? Complete parts (a) through (c) below. ....
A humane society claims that less than 72% of households in a certain country own a pet. In a random sample of 700 households in that Cou At a = 0.05, is there enough evidence to support the society's claim? Complete parts (a) through (c) below. ....
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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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 700 households in that country, 476 say they own a pet.
At a = 0.05, is there enough evidence to support the society's claim? Complete parts (a) through (c) below.
(a) Identify the claim and state Ho and H.
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.)
OA
% of households in the country own a pet.
%.
OB. The percentage households in the country that own a pet is not
OC. More than
% of households in the country own a pet.
D. Less than 72 % of households in the country own a pet.
Let p be the population proportion of successes, where a success is a household in the country that owns a pet. State Ho and Ha. Select the correct choice below and fill
in the answer boxes to complete your choice.
(Round to two decimal places as needed.)
O B. Ho: p2|
O C. Ho: p>
OA. Ho: P=
Ha:p<
Ha: ps
OD. Ho: ps
O E. Ho: P#
O F. Ho: p<
Haip=
Hai p2
Hip>
(b) Use technology to find the P-value.
Identify the standardized test statistic.
(Round to two decimal places as needed.)
Identify the P-value.
P=
(Round to three decimal places as needed.)
(c) Decide whether to reject or fail to reject the null hypothesis and (d) interpret the decision in the context of the original claim.
V the research center's claim.
V the null hypothesis. There
enough evidence to
Fail to reject
Reject
OO DO
OO DO
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