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 st
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| 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? | |||||||||||||||
10 years ago
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 st
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confidence_interval__final_answer_.xlsx
