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Category > Math Posted 11 May 2017 My Price 12.00

MAT 510 Week 9 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?

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Math Expert
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Status NEW Posted 11 May 2017 09:05 PM My Price 12.00

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Attachments

file 1494539919-MAT 510 Week 9 Homework Assignment 8 Calculation.xlsx preview (20 words )
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file 1494539923-MAT 510 Week 9 Homework Assignment 8.docx preview (273 words )
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