A research center claims that at least 30% of adults in a certain country think that their taxes will be audited. In a random sample of 600 adults in that country in a recent year, 25% say they are concerned that their taxes will be audited. At a = 0.05, is there enough evidence to reject the center's claim? Complete parts (a) through (e) below.
A research center claims that at least 30% of adults in a certain country think that their taxes will be audited. In a random sample of 600 adults in that country in a recent year, 25% say they are concerned that their taxes will be audited. At a = 0.05, is there enough evidence to reject the center's claim? Complete parts (a) through (e) below.
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Transcribed Image Text:A research center claims that at least 30% of adults in a certain country think that their taxes will be audited. In a
random sample of 600 adults in that country in a recent year, 25% say they are concerned that their taxes will be
audited. At α = 0.05, is there enough evidence to reject the center's claim? Complete parts (a) through (e) below.
olve this
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(a) Identify the claim and state Ho and H
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. The percentage of adults in the country who think that their taxes will be audited is not %
% of adults in the country think that their taxes will be audited.
% of adults in the country think that their taxes will be audited.
OB. Less than
QC. At least
OD. % of adults in the country think that their taxes will be audited.
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Transcribed Image Text:C. At least 30% of adults in the country think that their taxes will be audited.
OD.
% of adults in the country think that their taxes will be audited.
Let p be the population proportion of successes, where a success is an adult in the country who thinks that their taxes will be audited. 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.)
is
O A. Ho ps
Ha p
OD. Ho: p²
Ha p<
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OB. Ho:p>
Ha: ps
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OE. Ho: P
Ha: p²
P Pearson
OC. Ho: p
O
Ha:p=
opyright © 2023 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permissions | Contact Us I
OF. Ho: P=
H₂: p
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