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Equipment and Service contract sales

I need help trying to construct a 95 percent confidence interval for the different proportion of the contract and determine if there is a difference…

I need help trying to construct a 95 percent confidence interval for the different proportion of the contract and determine if there is a difference between the two. I also have to calculate and state the confidence intervals and find out if the report would be error-free.Uploaded additional materials:Equipment and service sales contract.pdf

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