Confidence interval within the context of the problem

Assignment Help Business Management
Reference no: EM132868984

SmithCo is a supplier to many brand-name makers of mobile phones. SmithCo manufactures the external shells that enclose mobile phones. The strength of a shell is measured by applying increasing pressure to the shell and recording the pressure at which the shell breaks. Shell strengths are approximately normally distributed. A random sample of 100 shells made by SmithCo showed an average strength of 45.0 pounds and a (sample) standard deviation of 20.0 pounds. By hand calculations (use only Excel, do not use StatTools), construct a 90% con?dence interval for the mean shell strength.

1. Provide the value of the 2 multiple with the Excel formula.

2. State the con?dence interval in the form point estimate 1 margin of error.

3. Interpret the confidence interval within the context of the problem.

Reference no: EM132868984

Questions Cloud

Design technical solution to reduce security vulnerabilities : Design a technical solution to reduce security vulnerabilities. Develop a workforce with skills to handle IoT security. Align legal and regulatory frameworks
What is translation exposure : Could you please before the answer prvide more elaboration and text books or article references?
Strategic plan to enter particular market segment : Your manager tells you about a new department the company will be adding that is part of the company's strategic plan to enter a particular market segment.
What are two privacy issues that face individuals : What are two privacy issues that face individuals for the current year? What are two privacy issues that face businesses for the current year?
Confidence interval within the context of the problem : SmithCo is a supplier to many brand-name makers of mobile phones. SmithCo manufactures the external shells that enclose mobile phones
What nist is and how should be used by a dba : Cloud computing security implementation and advantages from existing clouds like AWS google Microsoft. what NIST Is and how it should be used by a dba
Calculate the initial amount invested in business : The total income for the second year was RM3,000. Calculate the initial amount invested In business 1, 2 and 3 respectively.
What is the article how the united states lost to hackers : What is the article How the United States Lost to Hackers on the NYtimes article about? And why is the article important for people to read or know about?
Describe the three elements of customer service : Describe the three elements of customer service, and how they are important to Customer Relationship Management.

Reviews

Write a Review

Business Management Questions & Answers

  Explain rights that help to define a broad definition

Although there is no clear definition of privacy, Patricia Werhane outlines three rights that help to define a broad definition. What are these three rights?

  Employee for the right job is a complex process

Human resources managers have to review applications and select those who have the qualifications and may be the right fit.

  What is the public policy exception to employment at will

What's an example of a termination that may be construed as an exception to employment at will based on public policy.

  How can an organization benefit

How can an organization benefit from good upward communication?

  Blue nile and diamond retailing

What are some key success factors in diamond retailing? How do Blue Nile, Zales, and Tiffany compare on those dimensions?

  Identify two key specific events of civil rights struggle

Identify two key specific events of the Civil Rights struggle and at least one major piece of legislation or court decision.

  Consequences of unemployment

Based on your own life observations, identify one personal and one social consequence of unemployment in your country or society.

  Problem regarding the project cost management

Harold Johnson is worried about the cost, so he has asked you to review the existing cost estimate to get a solid cost baseline to evaluate performance. Recall that your budget goal is $500,000 for the six-month project. Also, remember from previo..

  How did equifax resolve their data breach in 2017

How did Equifax resolve their data breach in 2017?

  MBA Capstone-Integrative Project

This is the central accomplishment of the course and of the entire MBA experience.

  Delegation of contractual rights as well as duties

Belinda will win for the reason that the contract did not contain an express provision prohibiting assignment or delegation of contractual rights as well as duties

  Homes construction project quality management plan

Prepare a quality management plan using the elements described in the PMBOK 6e (Section 8.1.3.1) for the Suburban Homes Construction Project.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd