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A research center claims that at least 24% of adults in a certain country think that their taxes will be audited. In a random sample of 800 adults in that country in a recent year, 21% 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. ..... (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.) YA. The rejection region is z< - 1.28

A research center claims that at least 24% of adults in a certain country think that their taxes will be audited. In a random sample of 800 adults in that country in a recent year, 21% 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. ..... (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.) YA. The rejection region is z< - 1.28

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 68E
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A research center claims that at least 24% of adults in a certain country think that their taxes will be audited. In a random sample of 800 adults in that country in a recent year, 21% 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. (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.) A. The rejection region is z< -1.28 O B. The rejection region is z> O C. The rejection regions are z< and z> O D. The rejection region is <z< (c) Find the standardized test statistic z. z= - 1.99 (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. the null hypothesis. There enough evidence to V the center's claim. View an example Get more help- Clear all Final check Help me solve this OK iQ 47°F to séarch
Transcribed Image Text:A research center claims that at least 24% of adults in a certain country think that their taxes will be audited. In a random sample of 800 adults in that country in a recent year, 21% 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. (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.) A. The rejection region is z< -1.28 O B. The rejection region is z> O C. The rejection regions are z< and z> O D. The rejection region is <z< (c) Find the standardized test statistic z. z= - 1.99 (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. the null hypothesis. There enough evidence to V the center's claim. View an example Get more help- Clear all Final check Help me solve this OK iQ 47°F to séarch
A research center claims that at least 24% of adults in a certain country think that their taxes will be audited. In a random sample of 800 adults in that country in a recent year, 21% 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. (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.) A. The rejection region is z< - 1.28 O B. The rejection region is z> O C. The rejection regions are z< and z> On The reiection region is <z< I test statistic z Reject laces as needed.) Fail to reject ject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim. V the center's claim. the null hypothesis. There V enough evidence to Fy Final check Clear all View an example Get more help - Help me solve this OK 47°F IQ a ere to search Cop 远
Transcribed Image Text:A research center claims that at least 24% of adults in a certain country think that their taxes will be audited. In a random sample of 800 adults in that country in a recent year, 21% 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. (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.) A. The rejection region is z< - 1.28 O B. The rejection region is z> O C. The rejection regions are z< and z> On The reiection region is <z< I test statistic z Reject laces as needed.) Fail to reject ject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim. V the center's claim. the null hypothesis. There V enough evidence to Fy Final check Clear all View an example Get more help - Help me solve this OK 47°F IQ a ere to search Cop 远
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