Homework Assignment 6

Homework Assignment 6Download and complete Homework Assignment 6 [DOCX].Suppose the number of equipment sales and service contracts that a store sold during the last six months for treadmills and exercise bikes was as follows:Equipment Sales and Service Contracts SoldTHE TABLE IS ATTACHED 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:Construct a 95 percent confidence interval for the difference between the proportions of service contracts sold on treadmills versus exercise bikes. Is there a major difference between the two pieces of equipment? Why or why not?