Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

A research center claims that more than 22% of employees in a certain country have changed jobs in the past four years. In a random

image text in transcribedimage text in transcribed
A research center claims that more than 22% of employees in a certain country have changed jobs in the past four years. In a random sample of 220 people from that country, 55 have changed jobs 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. (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. 20 = (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>. O B. The rejection region is z <. o c. the rejection region is d. regions are z>. (c) Find the standardized test statistic z. 2= Click to select your answer(s). Time Remaining: 00:47:50 Submit Test Construct The . Zoom x data-8 5_2021-. 3:42 PM O Take a Test - Ta. Calculator 8/5/2021A research center claims that more than 22% of employees in a certain country have changed jobs in the past four years. In a random sample of 220 people from that country, 55 have changed jobs in the past four years. At o = 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. More than % of employees in the country have changed jobs in the past four years. C. % of employees in the country have changed jobs in the past four years. O D. The percentage of employees in the country who have changed jobs in the past four years is not %. 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 Ha. 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# OB. Ho: pz O C. Ho: P OE. H. . n= OF . HA n

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_2

Step: 3

blur-text-image_3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Trigonometry

Authors: Cynthia Y Young

5th Edition

1119820928, 9781119820925

More Books

Students also viewed these Mathematics questions

Question

If ( A^2 - A + I = 0 ), then inverse of matrix ( A ) is?

Answered: 1 week ago

Question

What is computer neworking ?

Answered: 1 week ago