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Posted: September 17th, 2023
A store sold during the last six (6) months for treadmills and exercise bikes was as follows., assignment help
Question description
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 195 133
Service
contracts 77 55
The store can only sell a service contract on a
new piece of equipment. Of the 195 treadmills sold, 77 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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