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

List any three business areas in the umuc pizza shops, List three business ...

List three business areas and/or processes used in the UMUC Pizza shops that could be supported by an IT solution.

Compute the linear charge density, An infinite line charge produces a field...

An infinite line charge produces a field of 9 × 104 N/C at a distance of 2 cm. Calculate the linear charge density

Forecasting, what are the different steps in quantitative forecasting in ma...

what are the different steps in quantitative forecasting in manufacturing

Explain why is mis one of the most important courses, Why is MIS one of the...

Why is MIS one of the most important courses for a business student?

Describe expected monetary value, XYZ coating company has reviewed four new...

XYZ coating company has reviewed four new processes for improving their coating line. The four processes, labeled A, B, C, and D use different technology and have different capacit

Explain ethics becomes less practical, Which among the following frameworks...

Which among the following frameworks of ethics becomes less practical with an increase in the number of people, animals, etc. that could be affected by decisions made?

Explain creation of a microsoft project file, Creation of a Microsoft Proje...

Creation of a Microsoft Project File Follow the instructions below to create a small project file to submit to your instructor. Instructions: Load Microsoft Office Project 2007 "tr

How is a standard time determined by time study, 1. How is a standard time ...

1. How is a standard time determined by time study?  Answer: The job is broken into well-defined short elements, which are then repeatedly timed by stopwatch, the worker's rate

Standard deviation - statistical aspects of variability, Standard Deviation...

Standard Deviation - Statistical Aspects of Variability Although the range gives an indication of variability, its value is solely determined by two measurements, the largest

Explain reflecting back on our readings about entrepreneursh, Reflecting ba...

Reflecting back on our readings about entrepreneurship in, would you consider someone who buys a franchise to be an entrepreneur?

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