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 x = 0.10, is there enough evidence to support the society's claim? Complete parts (a) through (c) below. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Tyne an integer or a decimal Do not round)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
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Author:Carter
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Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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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 a = 0.10, is there enough evidence to support the society's claim? Complete parts (a) through (c) below.
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.)
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.
a
(Round to two decimal places as needed.)
A. Ho: p²
Ha: p<
D. Ho: p=
Ha: p
B. Ho: ps
Ha:p>
E. Ho: p= 0.72
Ha: p= 0.72
C. 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 a = 0.10, is there enough evidence to support the society's claim? Complete parts (a) through (c) below. 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.) 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. a (Round to two decimal places as needed.) A. Ho: p² Ha: p< D. Ho: p= Ha: p B. Ho: ps Ha:p> E. Ho: p= 0.72 Ha: p= 0.72 C. Ho: P< Ha:pz F. Ho:p> Ha:ps
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