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, 26% say they are concered 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) 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.) O A. Less than % of adults in the country think that their taxes will be audited. O B. % of adults in the country think that their taxes will be audited. C. At least 31 % of adults in the country think that their taxes will be audited. O D. The percentage of adults in the country who think that their taxes will be audited is not % complete your choice. Let p be the population proportion of successes, where a success is an adult in the country who thinks that their taxes wil be audited. State Ho and H Select the correct choice below and fill in the answer boxes (Round to two decimal places as needed.) OB. Ho: p> OC. Họ: p OA. Ho:p< H ps Hp Hi p2 OE Ho ps OF Ho: p YD. Ho: p2 0.31 H p> Hp< 0.31 (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. (Round to two decimal places as needed. Use a comma to separate answers as needed.)
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, 26% say they are concered 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) 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.) O A. Less than % of adults in the country think that their taxes will be audited. O B. % of adults in the country think that their taxes will be audited. C. At least 31 % of adults in the country think that their taxes will be audited. O D. The percentage of adults in the country who think that their taxes will be audited is not % complete your choice. Let p be the population proportion of successes, where a success is an adult in the country who thinks that their taxes wil be audited. State Ho and H Select the correct choice below and fill in the answer boxes (Round to two decimal places as needed.) OB. Ho: p> OC. Họ: p OA. Ho:p< H ps Hp Hi p2 OE Ho ps OF Ho: p YD. Ho: p2 0.31 H p> Hp< 0.31 (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. (Round to two decimal places as needed. Use a comma to separate answers as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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, 26% 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) 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.)
O A. Less than
% of adults in the country think that their taxes will be audited.
O B. % of adults in the country think that their taxes will be audited.
O C. At least 31 % of adults in the country think that their taxes will be audited.
O D. The percentage of adults in the country who think that their taxes will be audited is not
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 H. Select the correct choice below and fill in the answer boxes to complete your choice.
(Round to two decimal places as needed.)
O B. Ho: p>
OC. Ho: p
O A. Ho: p<
H ps
Hp=
zd:"H
D. Ho: p2 0.31
OE Ho PS
OF Ho p=
H p
Hp>
Hp< 0.31
(b) Find the critical value(s) and identify the rejection region(s).
Identify the critical value(s) for this test
zo =D
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
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