Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

In a Harris poll of 520 human resource professionals, 45% said that body piercing and tattoos were big grooming red flags. Use a 0.05 significance

In a Harris poll of 520 human resource professionals, 45% said that body piercing and tattoos were big grooming red flags. Use a 0.05 significance level( SL) to test the claim that less than of the human professionals say that body piercings are big grooming flags.

image text in transcribed
Make sure you clearly indicate all steps of the hypotheses testing procedure in your work. Do not skip steps! 1. State the claim that you are testing symbolically. (2 pts) 2. Identify the null and alternative hypotheses. (5pts) 3. Describe the sample you are using for the testing procedure. - What is given in the description of the problem- sample size, statistics, SL? (1pt) - Sketch the curve on your paper. Is this a Normal Distribution- Z-curve or a Student T distribution- T-curve? (2pts) - Is the test two-tailed, left-tailed, or right-tailed? (2pts) - Shade up the rejection region. How big is the rejection region and under which tail is it? (2pts) - Identify the critical z or t value/s.(2pts) 4. What is the value of the test statistic? (5pts) - If you are using the formula, show your work? - If you are using a calculator, are you using 1-PropZtest, ZTest, or TTest? Read the test statistics and the P-value too. Round the P-value to four decimal 5. What is the conclusion about the null hypothesis? State full conclusion statement using the wording of the problem. (4pts) - If you are using the Test Statistic Method, plot the test statistic on the curve. Is it in the rejection region? - If you are using the P-value Method, show work comparing the P-value with the SL. - Don't forget to state a full conclusion statement about Ho

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

Step: 3

blur-text-image

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

Essentials Of College Algebra

Authors: Margaret L Lial, John E Hornsby, David I Schneider, Callie Daniels

11th Edition

0321912241, 9780321912244

More Books

Students also viewed these Mathematics questions

Question

What is the work environment like? Friendly/collegial?

Answered: 1 week ago

Question

What is cultural tourism and why is it growing?

Answered: 1 week ago