Explain mean confidence interval for the population, Operation Management

Assignment Help:

You wk for a consumer advocate agency and want to find the mean repair cost of a washing machine. As part of your study, you randomly select 45 repair costs and find the mean to be $115. The sample standard deviation is $16.40.

a. construct 90% of the mean confidence interval for the population of mean repair cost

b.the 90% interval confidence is _____ , ______ (Round to two decimal places as needed).


Related Discussions:- Explain mean confidence interval for the population

Explain inefficiency factor, A JIT system uses kanban cards to authorize mo...

A JIT system uses kanban cards to authorize movement of incoming parts. In one portion of the system, a work center uses an average of 93 parts per hour while running. The manager

Explain why is it important to continuously update, Why is it important to ...

Why is it important to continuously update the implementation and communication of a strategic plan?

Hospital management requirement, The local hospital's emergency department ...

The local hospital's emergency department has 5 trauma bays. On average, patients requiring a trauma bay arrive every 50 minutes (with a coefficient of variation of 1, no seasonali

Explain level of threshold service of a least-cost system, What is meant by...

What is meant by the level of threshold service of a least-cost system

Explain optimal solutions to linear programming problems, Optimal solutions...

Optimal solutions to linear programming problems are found under probabilistic assumptions

How much hours of production time would you schedule for x, Plans are being...

Plans are being made to produce a product that requires 40 minutes on Resource X and 30 minutes on resource Y. Assume that there is only one of each of these resources, and that ma

Explain a method that enable you to overcome the difficulty, Document three...

Document three types of cost and determine which is the most difficult to control. Support your response and identify a method(s) that would enable you to overcome the difficulty.

Explain the behaviors often incorporated by entrepreneurial, For years, Dav...

For years, David and Evie Wexler of The Little Guys Home Electronics had many ideas about how to improve the home electronics store in which they were working, but could not put th

Mis, mis in decision making

mis in decision making

Explain what are the issues of management does google needs, What are the i...

What are the issues of management does Google strategy 2010 needs to address? How could they be analysed and evaluated?

Write Your Message!

Captcha
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