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 800 adults in that country, 28% say that the 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. (Type an integer or a decimal. Do not round.) O A. At least % 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. O D. % of adults in the country would travel into space on a commercial flight if they could afford it. OA. Ho P> H₂ ps 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 corres and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) OD. Ho: P 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. G P= (Daund to three decimal places as needed) OB. Ho: Ps H₂:p> OE. Ho: P< Ha: p2 4 OC. Ho: P H₂: p OF. Ho: P2 H₂ P<
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 800 adults in that country, 28% say that the 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. (Type an integer or a decimal. Do not round.) O A. At least % 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. O D. % of adults in the country would travel into space on a commercial flight if they could afford it. OA. Ho P> H₂ ps 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 corres and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) OD. Ho: P 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. G P= (Daund to three decimal places as needed) OB. Ho: Ps H₂:p> OE. Ho: P< Ha: p2 4 OC. Ho: P H₂: p OF. Ho: P2 H₂ P<
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 67E
Related questions
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part a is identifying the claim and stating H0 & Ha.
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 800 adults in that country, 28% 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.
(Type an integer or a decimal. Do not round.)
O A. At least % 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
commercial flight if they could afford it.
SOD. % 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>
H₂ ps
OD. Ho: P
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.
C
OB. Ho: Ps
Ha:p>
OE. Ho: P<
Ha: p2
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.
O.C. Ho P=
H₂: p
OF. Ho: P²
H₂: p<
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