A humane society claims that less than 62% of households in a certain country own a pet. In a random sample of 500 households in that country, 290 say they own a pet. At a= 0.01, is there enough evidence to support the society's claim? Complete parts (a) through (c) below. (a) Identify the claim and state Ho and Ha 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.) O A. More than % of households in the country own a pet. O B. The percentage households in the country that own a pet is not %. Oc. of households in the country own a pet. O D. Less than % of households in the country own a pet.
A humane society claims that less than 62% of households in a certain country own a pet. In a random sample of 500 households in that country, 290 say they own a pet. At a= 0.01, is there enough evidence to support the society's claim? Complete parts (a) through (c) below. (a) Identify the claim and state Ho and Ha 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.) O A. More than % of households in the country own a pet. O B. The percentage households in the country that own a pet is not %. Oc. of households in the country own a pet. O D. Less than % of households in the country own a pet.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Transcribed Image Text:A humane society claims that less than 62% of households in a certain country own a pet. In a random sample of 500 households in that country, 290 say they own a pet. At a = 0.01, is there enough evidence to support the society's claim?
Complete parts (a) through (c) below.
.....
(a) Identify the claim and state H, and Ha:
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. More than
% of households in the country own a pet.
B. The percentage households in the country that own a pet is not
%.
OC.
% of households in the country own a pet.
D. Less than
% of households in the country own a pet.
Transcribed Image Text:A research center claims that 30% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 1100 adults in that country, 34% say that they would travel into space on a commercial
flight if they could afford it. At a = 0.10, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) below.
.....
(a) Identify the claim and state H, and Ha.
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. No more than
% of adults in the country would travel into space on a commercial flight if they could afford it.
В.
% of adults in the country would travel into space on a commercial flight if they could afford it.
C. At least
% of adults in the country would travel into space on a commercial flight if they could afford it.
D. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not
%.
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