Identify the claim and state Ho and H. entify the claim in this scenario. Select the correc rpe an integer or a decimal. Do not round.) DA. Less than % of households in the count B. More than % of households in the coun C. The percentage households in the country D. % of households in the country own ap tp be the population proportion of successes, wt ound to two decimal places as needed.) DA. Ho: P H:p D. Ho: p Use technology to find the P-value. entify the standardized test statistic.

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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A humane society claims that less than 73% of households in a certain country own a pet. In a random sample of 500 households in that country, 355 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.
(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.)
O A. Less than
% of households in the country own a pet.
O B. More than
% of households in the country own a pet.
O C. The percentage households in the country that own a pet is not
%.
OD.
% 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 H, 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 A. Ho: P=
O B. Ho: ps
OC. Ho: P>
H3: p>
Hai ps
OD.
Họ: p#
O E. Ho: p2
O F. Ho: p<
Ha: p=
Ha:p<
Ha: p2
(b) Use technology to find the P-value.
Identify the standardized test statistic.
z= 2
(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 null hypothesis. There
V enough evidence to
V the society's claim.
OO OO
OO OL
Transcribed Image Text:A humane society claims that less than 73% of households in a certain country own a pet. In a random sample of 500 households in that country, 355 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. (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.) O A. Less than % of households in the country own a pet. O B. More than % of households in the country own a pet. O C. The percentage households in the country that own a pet is not %. OD. % 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 H, 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 A. Ho: P= O B. Ho: ps OC. Ho: P> H3: p> Hai ps OD. Họ: p# O E. Ho: p2 O F. Ho: p< Ha: p= Ha:p< Ha: p2 (b) Use technology to find the P-value. Identify the standardized test statistic. z= 2 (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 null hypothesis. There V enough evidence to V the society's claim. OO OO OO OL
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