MAT 510 - Homework Assignment Homework Assignment 8 Due in Week 9 and worth 30 points Suppose the number of equipment sales and service contracts...

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?