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A research center claims that at least 26% 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, 21% 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. 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. At least % of adults in the country think that their taxes will be audited. OB. % of adults in the country think that their taxes will be audited OC. Less than % of adults in the country think that their taxes will be audited. OD.. 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 H₂ Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) OA. Ho. P H₁: p= OD. Ho P= H₂ pz (b) Find the critical value(s) and identify the rejection region(s), Identify the critical value(s) for this test OB. Ho: P Ha: ps Q Search D OE. Ho P Ha p 20= (Round to two decimal places as needed. Use a comma to separate answers as needed.). GELEE lip th OC. Ho P² Ha p< OF. Ho ps Ha p> 112

A research center claims that at least 26% 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, 21% 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. 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. At least % of adults in the country think that their taxes will be audited. OB. % of adults in the country think that their taxes will be audited OC. Less than % of adults in the country think that their taxes will be audited. OD.. 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 H₂ Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) OA. Ho. P H₁: p= OD. Ho P= H₂ pz (b) Find the critical value(s) and identify the rejection region(s), Identify the critical value(s) for this test OB. Ho: P Ha: ps Q Search D OE. Ho P Ha p 20= (Round to two decimal places as needed. Use a comma to separate answers as needed.). GELEE lip th OC. Ho P² Ha p< OF. Ho ps Ha p> 112

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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A research center claims that at least 26% 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, 21% 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. 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. At least % 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 OC. Less than % 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 H₂. Select the correct choice below and fill in the answer boxes to complete your choice. a (Round to two decimal places as needed.) OA. Ho P# H₂: p= OD. Hop= H₂: p‡ (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. OB. Ho:p> Haips Q Search OE. Ho: P Hapz Zo (Round to two decimal places as needed. Use a comma to separate answers as needed.) ly %. fa fg H f10 f OC. Ho: P² Hap< OF. Ho: Ps Ha:p> f12
Transcribed Image Text:A research center claims that at least 26% 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, 21% 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. 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. At least % 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 OC. Less than % 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 H₂. Select the correct choice below and fill in the answer boxes to complete your choice. a (Round to two decimal places as needed.) OA. Ho P# H₂: p= OD. Hop= H₂: p‡ (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. OB. Ho:p> Haips Q Search OE. Ho: P Hapz Zo (Round to two decimal places as needed. Use a comma to separate answers as needed.) ly %. fa fg H f10 f OC. Ho: P² Hap< OF. Ho: Ps Ha:p> f12
A research center claims that at least 26% 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, 21% 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. 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. At least % 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 OC. Less than % 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 H₂. Select the correct choice below and fill in the answer boxes to complete your choice. a (Round to two decimal places as needed.) OA. Ho P# H₂: p= OD. Hop= H₂: p‡ (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. OB. Ho:p> Haips Q Search OE. Ho: P Hapz Zo (Round to two decimal places as needed. Use a comma to separate answers as needed.) ly %. fa fg H f10 f OC. Ho: P² Hap< OF. Ho: Ps Ha:p> f12
Transcribed Image Text:A research center claims that at least 26% 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, 21% 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. 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. At least % 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 OC. Less than % 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 H₂. Select the correct choice below and fill in the answer boxes to complete your choice. a (Round to two decimal places as needed.) OA. Ho P# H₂: p= OD. Hop= H₂: p‡ (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. OB. Ho:p> Haips Q Search OE. Ho: P Hapz Zo (Round to two decimal places as needed. Use a comma to separate answers as needed.) ly %. fa fg H f10 f OC. Ho: P² Hap< OF. Ho: Ps Ha:p> f12
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← A research center claims that at least 26% 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, 21% 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. 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.) A. The rejection region is z < -1.26 OB. The rejection region is z> Oc. The rejection regions are z< OD. The rejection region is and z> (c) Find the standardized test statistic z. Z - 2.79 (Round to two decimal places as needed.) El (d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim. 7 the null hypothesis. There 4 I enough evidence to || √₁ Ş 1₁ the center's claim. (₁) More X
Transcribed Image Text:← A research center claims that at least 26% 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, 21% 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. 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.) A. The rejection region is z < -1.26 OB. The rejection region is z> Oc. The rejection regions are z< OD. The rejection region is and z> (c) Find the standardized test statistic z. Z - 2.79 (Round to two decimal places as needed.) El (d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim. 7 the null hypothesis. There 4 I enough evidence to || √₁ Ş 1₁ the center's claim. (₁) More X
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