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A research center claims that 31% of adults in a certain oountry would travel into space on a commercial flight if they could afford it. In a random sample of 800 adults in that country, 33% 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 O B. The peroentage adults in the country who would travel into space on a commercial flight if they could afford it is not %. O C. At least % of adults in the country would travel into space on a commercial fight if they could afford it. O D. No more than % 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 H Select the correct choice below and fill in the answer baxes to complete your choice. (Round to two decimal places as needed.) OA Ho: ps OB. Ho: p> OC. Ha: p H p= H ps VE Ha:p= 0.31 H:p> OF Ha: p2 OD. Ho: p< Hpr 0.31 Hp< zd:"H (b) Use technology to find the P-value. Identify the standardized test statistic. z= 1.22 (Round to two decimal places as needed.) Identify the P-value. (Round to three decimal places as needed.)

A research center claims that 31% of adults in a certain oountry would travel into space on a commercial flight if they could afford it. In a random sample of 800 adults in that country, 33% 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 O B. The peroentage adults in the country who would travel into space on a commercial flight if they could afford it is not %. O C. At least % of adults in the country would travel into space on a commercial fight if they could afford it. O D. No more than % 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 H Select the correct choice below and fill in the answer baxes to complete your choice. (Round to two decimal places as needed.) OA Ho: ps OB. Ho: p> OC. Ha: p H p= H ps VE Ha:p= 0.31 H:p> OF Ha: p2 OD. Ho: p< Hpr 0.31 Hp< zd:"H (b) Use technology to find the P-value. Identify the standardized test statistic. z= 1.22 (Round to two decimal places as needed.) Identify the P-value. (Round to three decimal places as needed.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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 research center claims that 31% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 800 adults in that country, 33% 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. O B. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not %. O C. At least % of adults in the country would travel into space on a commercial flight if they could afford it. O D. No more than % of adults in the country would travel into space on a commercial flight if they could afford it. Let p be the population proportion 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 H Select the correct choice below and fill in the answer baxes to complete your choice. (Round to two decimal places as needed.) OC. Ho: p Hp= OF Ho: p2 Hp< OA Ho: ps OB. Ho: p Hip> H ps O D. Ho: p< Ho: p= 0.31 H:p2 Hp 0.31 (b) Use technology to find the P-value. Identify the standardized test statistic. z= 1.22 (Round to two decimal places as needed.) Identify the P-value. (Round to three decimal places as needed.)
Transcribed Image Text:A research center claims that 31% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 800 adults in that country, 33% 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. O B. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not %. O C. At least % of adults in the country would travel into space on a commercial flight if they could afford it. O D. No more than % of adults in the country would travel into space on a commercial flight if they could afford it. Let p be the population proportion 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 H Select the correct choice below and fill in the answer baxes to complete your choice. (Round to two decimal places as needed.) OC. Ho: p Hp= OF Ho: p2 Hp< OA Ho: ps OB. Ho: p Hip> H ps O D. Ho: p< Ho: p= 0.31 H:p2 Hp 0.31 (b) Use technology to find the P-value. Identify the standardized test statistic. z= 1.22 (Round to two decimal places as needed.) Identify the P-value. (Round to three decimal places as needed.)
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