Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. a program was created to randomly choose customers

A program was created to randomly choose customers at a shoe store to receive a discount....

70.2K

Verified Solution

Question

Statistics

A program was created to randomly choose customers at a shoestore to receive a discount. The program claims 15% of the receiptswill get a discount in the long run. The manager of the shoe storeis skeptical and believes the program's calculations are incorrect.She selects a random sample and finds that 12% received thediscount. The confidence interval is 0.12 ± 0.05 with allconditions for inference met.

Part A: Using the given confidence interval, is itstatistically evident that the program is not working?Explain.

Part B: Is it statistically evident from theconfidence interval that the program creates the discount with a0.15 probability? Explain.

Part C: Another random sample of receipts istaken. This sample is six times the size of the original. Twelvepercent of the receipts in the second sample received the discount.What is the value of margin of error based on the second samplewith the same confidence level as the original interval?

Part D: Using the margin of error from the secondsample in part C, is the program working as planned? Explain.

Answer & Explanation Solved by verified expert
4.5 Ratings (770 Votes)
    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Biology
1.2K views

7) Which of the four major types of cell communication requires both signal and target cell...

Medical Sciences
1.2K views

You’re having a discussion with a colleague who insists that intermediate filaments, IFs, provide very little...

General Management
1.2K views

To complete this task you are required to design an information system for Fashion clothing store...

Biology
1.2K views

Read the following quote from Jane Austen s Pride and Prejudice and answer the question...

Physics
1.2K views

Three point masses each of mass m rotate in a circle of radius r with...

Basic Math
1.2K views

ch the tax form with the description 5p 1 W 9 Forms Requests for Taxpayer...

Basic Math
1.2K views

Write the given conditional statement in form if p then q and then state the...

Statistics
1.2K views

Construct a frequency polygon using the data Choose the correct graph below A OB OC...

Accounting
1.2K views

I asked this before and was given 88,000 as a answer for year 2,...

Accounting
1.2K views

The purpose of tracing a sample of irventory tags to a client's computerized listing of...

Accounting
1.2K views

Thurman Corporation issued 560,000 shares of $0.50 par value capital stock at its date of...

Accounting
1.2K views

Loceal-Americen Corporation purchased several maiketable securbes dunng 2024. Al December 31,2024, me company had the...