Cashback Offer (1st - 15th October 2020). Get Flat 10% Cashback credited in your account on a minimum transaction of $80. Post Your Question

Question Details Normal
$ 28.00

case study solution

  • From Business, Finance
  • Due on 29 Nov, 2016 12:00:00
  • Asked On 27 Nov, 2016 04:52:51
  • Due date has already passed, but you can still post solutions.
Question posted by
Online Tutor Profile
request

A company is said to be of compliance if more than 9% of all invoices contain errors, and it is considered to be seriously out of compliance if more than 12% of all invoices contain errors. Suppose an auditor randomly selects a sample of 1600 invoices and finds that 200 contained errors.

a. Construct a 95% confidence interval for this company's error rate 

b. How should the company be rated as seriously out of compliance require 5% level of significance?

c. What is the probability a company would be rated as seriously out of compliance by this test if 15% of all invoices at that company contain errors?

d. What sample size should the auditor use to estimate the error rate to within 2% with 99% confidence if it is assumed that the error rate will be no more than 20%

Note: Present the Hypothesis Test, test statistic and p-value

Available Answers

The benefits of buying study notes from CourseMerit

Assurance Of Timely Delivery
We value your patience, and to ensure you always receive your homework help within the promised time, our dedicated team of tutors begins their work as soon as the request arrives.
Best Price In The Market
All the services that are available on our page cost only a nominal amount of money. In fact, the prices are lower than the industry standards. You can always expect value for money from us.
Uninterrupted 24/7 Support
Our customer support wing remains online 24x7 to provide you seamless assistance. Also, when you post a query or a request here, you can expect an immediate response from our side.
closebutton
Only 45 characters allowed.
closebutton

$ 629.35