A research center claims that 25% 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 = 0.05, 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.) O A. No more than % of adults in the country would travel into space on a commercial flight if they could afford it. O B. At least % of adults in the country would travel into space on a commercial flight if they could afford it. O C. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not OD. % 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 th could afford it. 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: p= OC. Ho:pz H3: p = Hai p= Ha:p< O D. Ho: p> O E. Ho:p< OF. Ho:ps Hai ps Ha: p2 H3: p> (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. the null hypothesis. There enough evidence to the research center's claim.
A research center claims that 25% 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 = 0.05, 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.) O A. No more than % of adults in the country would travel into space on a commercial flight if they could afford it. O B. At least % of adults in the country would travel into space on a commercial flight if they could afford it. O C. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not OD. % 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 th could afford it. 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: p= OC. Ho:pz H3: p = Hai p= Ha:p< O D. Ho: p> O E. Ho:p< OF. Ho:ps Hai ps Ha: p2 H3: p> (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. the null hypothesis. There enough evidence to the research center's claim.
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 research center claims that 25% 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 = 0.05, 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.)
O A. No more than
% of adults in the country would travel into space on a commercial flight if they could afford it.
O B. At least
% of adults in the country would travel into space on a commercial flight if they could afford it.
O C. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not
OD.
% 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 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: p*
OC. Ho:pz
На р
Ha: p =
Hai p<
O D. Ho: p>
O E. Ho:p<
OF. Ho:ps
Ha: ps
Hai p2
Haip>
(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.
the null hypothesis. There
enough evidence to
v the research center's claim.
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