A research center claims that 24% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 1000 adults in that country, 27% say that they would travel into space on a commercial fligh if they could afford it. At a = 0.01, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) 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.) OA % of adults in the country would travel into space on a commercial flight if they could afford it. OB. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not %. OC. No more than % of adults in the country would travel into space on a commercial flight if they could afford it.
A research center claims that 24% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 1000 adults in that country, 27% say that they would travel into space on a commercial fligh if they could afford it. At a = 0.01, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) 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.) OA % of adults in the country would travel into space on a commercial flight if they could afford it. OB. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not %. OC. No more than % of adults in the country would travel into space on a commercial flight if they could afford it.
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
Related questions
Question
Quesiton 31
Transcribed Image Text:A research center claims that 24% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 1000 adults in that country, 27% say that they would travel into space on a commercial flight
if they could afford it. At a = 0.01, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) 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.)
A.
% of adults in the country would travel into space on a commercial flight if they could afford it.
B. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not
OC. No more than
% of adults in the country would travel into space on a commercial flight if they could afford it.
O D. At least
% of adults in the country would travel into space on a commercial flight if they could afford it.
Let p be the population proportion of successes, where a success is an adult in the country who would travel into space on a commercial flight if they could afford it. 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.)
OA. Ho: P =
Ha: p
OD. Ho: ps
Ha:p>
(b) Use technology to find the P-value.
Identify the standardized test statistic.
Z=
(Round to two decimal places as needed.)
Identify the P-value.
OB. Ho: P<
Ha:pz
Ho:pz
Ha:p<
O E.
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.
the null hypothesis. There
enough evidence to
%.
▼the research center's claim.
OC. Ho: p
Ha:p=
OF. Ho:p>
Ha:ps
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