Critical values rejection region standardized test statistics reject or fail
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Critical values
rejection region
standardized test statistics
reject or fail

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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