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A research center claims that more than 21% of employees in a certain country have changed jobs in the past four years. In a random sample of 140 people from that country, 35 have changed job: in the past four years. At a = 0.05, is there enough evidence to support the center's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and Ha 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 most % of employees in the country have changed jobs in the past four years. O B. % of employees in the country have changed jobs in the past four years. OC. The percentage of employees in the country who have changed jobs in the past four years is not %. OD. More than % of employees in the country have changed jobs in the past four years. Let p be the population proportion of successes, where a success is an employee in the country who has changed jobs in the past four years. 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.) O A. Ho: P= Ha: p OD. Ho: ps Ha:p> OB. Ho: p2 Ha: p< O E. Ho: P< Ha:pz OC. Ho: P Ha: p= OF. Ho:p> Ha: ps

A research center claims that more than 21% of employees in a certain country have changed jobs in the past four years. In a random sample of 140 people from that country, 35 have changed job: in the past four years. At a = 0.05, is there enough evidence to support the center's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and Ha 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 most % of employees in the country have changed jobs in the past four years. O B. % of employees in the country have changed jobs in the past four years. OC. The percentage of employees in the country who have changed jobs in the past four years is not %. OD. More than % of employees in the country have changed jobs in the past four years. Let p be the population proportion of successes, where a success is an employee in the country who has changed jobs in the past four years. 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.) O A. Ho: P= Ha: p OD. Ho: ps Ha:p> OB. Ho: p2 Ha: p< O E. Ho: P< Ha:pz OC. Ho: P Ha: p= OF. Ho:p> Ha: ps

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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(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< The rejection region is z> C. The rejection regions are z< The rejection region is <Z< B. and z>
Transcribed Image Text:(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< The rejection region is z> C. The rejection regions are z< The rejection region is <Z< B. and z>
A research center claims that more than 21% of employees in a certain country have changed jobs in the past four years. In a random sample of 140 people from that country, 35 have changed jobs in the past four years. At α = 0.05, is there enough evidence to support the center's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and Ha 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 most % of employees in the country have changed jobs in the past four years. % of employees in the country have changed jobs in the past four years. C. The percentage of employees in the country who have changed jobs in the past four years is not D. More than % of employees in the country have changed jobs in the past four years. B. Let p be the population proportion of successes, where a success is an employee in the country who has changed jobs in the past four years. 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.) O A. Ho: P= Ha: p OD. Ho: Ps Ha:p> B. Ho: p2 Ha:p< O E. %. Ho: p< Ha: p² OC. Ho: P Ha: p= OF. Ho:p> Ha: ps
Transcribed Image Text:A research center claims that more than 21% of employees in a certain country have changed jobs in the past four years. In a random sample of 140 people from that country, 35 have changed jobs in the past four years. At α = 0.05, is there enough evidence to support the center's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and Ha 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 most % of employees in the country have changed jobs in the past four years. % of employees in the country have changed jobs in the past four years. C. The percentage of employees in the country who have changed jobs in the past four years is not D. More than % of employees in the country have changed jobs in the past four years. B. Let p be the population proportion of successes, where a success is an employee in the country who has changed jobs in the past four years. 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.) O A. Ho: P= Ha: p OD. Ho: Ps Ha:p> B. Ho: p2 Ha:p< O E. %. Ho: p< Ha: p² OC. Ho: P Ha: p= OF. Ho:p> Ha: ps
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