Mat 510 Homework Assignment Homework Assignment 8 Due In Week 9 And Worth 30 P

I need help with answering the questions, I have no problems with the charting. I’m confused on what the questions is asking. Iv’e already constructed the 95% confidence interval for the difference between the proportions of service. Should there be more to answer on question 1?  On question two I’m I answering what the difference between the actual machines, or the confidence interval?   

 

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