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A research center claims that at least 22% of adults in a certain country think that their taxes will be audited. In a random sample of 1000 adults in that country in a recent year, 19% 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.

A research center claims that at least 22% of adults in a certain country think that their taxes will be audited. In a random sample of 1000 adults in that country in a recent year, 19% 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.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A research center claims that at least 22% of adults in a certain country think that their taxes will be audited. In a random sample of 1000 adults in that country in a recent year, 19% 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. Re... (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. The percentage of adults in the country who think that their taxes will be audited is not %. OC. % of adults in the country think that their taxes will be audited. O D. At least % 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 H, and H, Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) PDF fessional Ref.pdf O A. Ho: ps O B. Ho pt O C. Ho: p2 Ha: p> H3 p= H3 p< O D. Ho p> O E. Ho p= O F. Ho: p< Ha: ps Ha pt H3 p2 (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.) Identify the rejection region(s). Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to two decimal places as needed.) O A. The rejection region is z> Click to select your answer(s). 口口□■
Transcribed Image Text:A research center claims that at least 22% of adults in a certain country think that their taxes will be audited. In a random sample of 1000 adults in that country in a recent year, 19% 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. Re... (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. The percentage of adults in the country who think that their taxes will be audited is not %. OC. % of adults in the country think that their taxes will be audited. O D. At least % 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 H, and H, Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) PDF fessional Ref.pdf O A. Ho: ps O B. Ho pt O C. Ho: p2 Ha: p> H3 p= H3 p< O D. Ho p> O E. Ho p= O F. Ho: p< Ha: ps Ha pt H3 p2 (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.) Identify the rejection region(s). Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to two decimal places as needed.) O A. The rejection region is z> Click to select your answer(s). 口口□■
(4):PDF (a) through (e) below. (Rounu to iWo decimai praces as needeu.) O A. Ho ps O B. Ho p# OC. Ho: p2 Ha p> Ha: p = Haip< O D. Ho p> O E. Ho p= OF. Ho p< H ps Ha: p# Hai p2 (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.) PDF Identify the rejection region(s). Select the correct choice below and fll in the answer box(es) to complete your choice. (Round to two decimal places as needed.) Professional Refipdf O A. The rejection region is z> O B. The rejection region is <z<. OC. The rejection regions are z< and z> Isx O D. The rejection region is z< (c) Find the standardized test statistic z. (Round to two decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim. V the null hypothesis. There V enough evidence to the center's claim. Click to select your answer(s). Search Textbook So... O Take a Test - Micha... 近
Transcribed Image Text:(4):PDF (a) through (e) below. (Rounu to iWo decimai praces as needeu.) O A. Ho ps O B. Ho p# OC. Ho: p2 Ha p> Ha: p = Haip< O D. Ho p> O E. Ho p= OF. Ho p< H ps Ha: p# Hai p2 (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.) PDF Identify the rejection region(s). Select the correct choice below and fll in the answer box(es) to complete your choice. (Round to two decimal places as needed.) Professional Refipdf O A. The rejection region is z> O B. The rejection region is <z<. OC. The rejection regions are z< and z> Isx O D. The rejection region is z< (c) Find the standardized test statistic z. (Round to two decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim. V the null hypothesis. There V enough evidence to the center's claim. Click to select your answer(s). Search Textbook So... O Take a Test - Micha... 近
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