Dr Nick

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About Dr Nick

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Teaching Since: May 2017
Last Sign in: 246 Weeks Ago
Questions Answered: 19234
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Education

  • MBA (IT), PHD
    Kaplan University
    Apr-2009 - Mar-2014

Experience

  • Professor
    University of Santo Tomas
    Aug-2006 - Present

Category > Numerical analysis Posted 12 Sep 2017 My Price 11.00

Construct a 95 percent confidence interval for the difference between the proportions of service

Due in Week 9 and worth 30 pointsSuppose the number of equipment sales and service contracts that a store sold during the last six (6) months for treadmills and exercise bikes was as follows:Treadmill Exercise BikeTotal sold 185 123Service contracts 67 55The store can only sell a service contract on a new piece of equipment. Of the 185 treadmills sold, 67 included a service contract and 118 did not.Complete the following questions in the space provided below:

  1. Construct a 95 percent confidence interval for the difference between the proportions of service contracts sold on treadmills versus exercise bikes.
  2. Is there a major difference between the two pieces of equipment? Why or why not?

Download the homework below, type your answers into the document and submit it using the Week 9 Homework Assignment 8 - Submit Here link located above.

Answers

Dr Nick
(3)
Status NEW Posted 12 Sep 2017 07:09 AM My Price 11.00

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