# Confidence Interval Assignment/Professional Writing Services

AluminiCorp is a major producer of aluminium cans that produce 40 billion aluminium cans every year. You work as a quality control officer for AluminiCorp and are responsible for ensuring that the aluminium cans produced to meet certain specifications. Each can is supposed to consist of precisely 15 grams of aluminium, and the market price for aluminium is \$0.95 per pound (important note: there are 454 grams in one pound). The file aluminicorpfa10.xlsx contains data on samples taken from multiple plants under your purview. Use the data to answer the following questions. Problems 3.1 and 3.2 come from week 7 material, and 3.3 relates to week 8 material. Problem 3.1 Column A contains aluminium content data from a sample of 100 cans taken from your Akron plant. The Akron plant produces 2 billion cans every year.

Don't use plagiarized sources. Get Your Assignment on
Confidence Interval Assignment/Professional Writing Services
Just from \$13/Page

a) Construct a 95% confidence interval for the population mean aluminium content.b) EXTRA CREDIT-Construct a 95% confidence interval for the total expenditure on aluminium at the Akron plant. How much money could AluminiCorp save if the Akron plant actually produced cans that were at the target aluminium content?c) Based on your answer in part (a) (and part (b) if you did that), explain (in plain English) what these results mean. Hint: make sure you keep your units of measurement consistent (grams v. pounds)! Excel Tips: The Excel functions =TDIST and =TINV are similar to the functions =NORMSDIST and =NORMSINV and can be used to calculate T critical values. See the Excel help file for instructions on the syntax for this function.A general tip for this problem. In part (a), you calculated a confidence interval for aluminium content. The units of your mean and standard deviation are grams per can. For part (b), you need to first convert your sample mean and standard deviation from part (a) from grams per can into dollars per can.

Confidence Interval Estimate for the Mean Confidence Interval Estimate for the Mean DataSample Standard DeviationSample MeanSample SizeConfidence Level Sample Standard DeviationSample Mean…

Get  Statistics homework help today

Pages (550 words)
Approximate price: -

Why Choose Us

Quality Papers

At Myhomeworkwriters.com, we always aim at 100% customer satisfaction. As such, we never compromise o the quality of our homework services. Our homework helpers ensure that they craft each paper carefully to match the requirements of the instruction form.

With Myhomeworkwriters.com, every student is guaranteed high-quality, professionally written papers. We ensure that we hire individuals with high academic qualifications who can maintain our quality policy. These writers undergo further training to sharpen their writing skills, making them more competent in writing academic papers.

Affordable Prices

Our company maintains a fair pricing system for all academic writing services to ensure affordability. Our pricing system generates quotations based on the properties of individual papers.

On-Time delivery

My Homework Writers guarantees all students of swift delivery of papers. We understand that time is an essential factor in the academic world. Therefore, we ensure that we deliver the paper on or before the agreed date to give students ample time for reviewing.

100% Originality

Myhomeworkwriters.com maintains a zero-plagiarism policy in all papers. As such, My Homework Writers professional academic writers ensure that they use the students’ instructions to deliver plagiarism-free papers. We are very keen on avoiding any chance of similarities with previous papers.

Our customer support works around the clock to provide students with assistance or guidance at any time of the day. Students can always communicate with us through our live chat system or our email and receive instant responses. Feel free to contact us via the Chat window or support email: support@myhomeworkwriters.com.

Try it now!

## Calculate the price of your order

You will get a personal manager and a discount.
We'll send you the first draft for approval by at
Total price:
\$0.00

How it works?

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Our Homework Writing Services

My Homework Writers holds a reputation for being a platform that provides high-quality homework writing services. All you need to do is provide us with all the necessary requirements of the paper and wait for quality results.

## Essay Writing Services

At My Homework Writers, we have highly qualified academic gurus who will offer great assistance towards completing your essays. Our homework writing service providers are well-versed with all the aspects of developing high-quality and relevant essays.