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of adülts in a certain country think that their taxes will be audited. In a random sample of 800 adults in that country in a least 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

of adülts in a certain country think that their taxes will be audited. In a random sample of 800 adults in that country in a least 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

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Aresearch 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 V enough evidence to V the center's claim. Help me solve this View an example Get more help - Clear all Final check OK 47°F arch Cip
Transcribed Image Text:Aresearch 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 V enough evidence to V the center's claim. Help me solve this View an example Get more help - Clear all Final check OK 47°F arch Cip
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 O B. The rejection region is z> O C. The rejection regions are z< and z> OD 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. the null hypothesis. There V enough evidence to V the center's claim. Clear all Final check View an example Get more help - Help me solve this OK 47°F IQ search Cip
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.) YA. The rejection region is z< - 1.28 O B. The rejection region is z> O C. The rejection regions are z< and z> OD 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. the null hypothesis. There V enough evidence to V the center's claim. Clear all Final check View an example Get more help - Help me solve this OK 47°F IQ search Cip
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