Critical values    rejection region       standardized test statistics      reject or fail

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Critical values 

 

rejection region

 

 

 

standardized test statistics 

 

 

reject or fail

A research center claims that at least 31% of adults in a certain country think that their taxes will be audited. In a random sample of 900 adults in that
country in a recent year, 28% say they are concerned that their taxes will be audited. At a=0.10, is there enough evidence to reject the center's claim?
Complete parts (a) through (e) below.
OA. Ho: p#
O B. Ho: p<
O C. Ho p<
Ha: p>
Hg: P2
Ha: p=
O D. Ho p>
O E. Ho p=
O F. Ho p2
Ha: p<
Ha: ps
(b) Find the critical value(s) and identify the rejection region(s).
Identify the critical value(s) for this test.
Zo =
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
roct chaico holau and fill in thn anniaInr hnvlocl to Comploto vour choico
Hontifi the roioction ronion/c Ooloct the cor
Click to select your answer(s).
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Transcribed Image Text:A research center claims that at least 31% of adults in a certain country think that their taxes will be audited. In a random sample of 900 adults in that country in a recent year, 28% say they are concerned that their taxes will be audited. At a=0.10, is there enough evidence to reject the center's claim? Complete parts (a) through (e) below. OA. Ho: p# O B. Ho: p< O C. Ho p< Ha: p> Hg: P2 Ha: p= O D. Ho p> O E. Ho p= O F. Ho p2 Ha: p< Ha: ps (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. Zo = (Round to two decimal places as needed. Use a comma to separate answers as needed.) roct chaico holau and fill in thn anniaInr hnvlocl to Comploto vour choico Hontifi the roioction ronion/c Ooloct the cor Click to select your answer(s). Desktop > 品日明 W
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