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Anonymous
timer Asked: Jun 2nd, 2019
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Question Description

  1. Homework Assignment 8
    Due in Week 9 and worth 30 points

    Suppose 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 Bike
    Total sold 185 123
    Service contracts 67 55
    The 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 link located above.
    MAT510 Homework Assignment 8.docx

Tutor Answer

markhecktutor
School: UCLA

Hi, please find the answer attached. Pleasure working with you :)

Surname 1

Your name
Professor’s name
Course
Date
Homework Assignment 8
1. 95% CI for p1-p2
𝑥1 = 67, 𝑛1 = 185, 𝑥2 = 55, 𝑛2 123
𝑝̂1 =

67
≈ 0.362
185

𝑝̂ 2 =

5...

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Anonymous
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