1. What distribution we should use when we do hypothesis test for claims made about population proportions from two set data? 2. How to use TI84 to find P-value for claims made about two  population proportions? 3. How to use TI84 to Construct confidence interval for the differences between two population proportions p1 and p2? 4. What distribution should we use when we do hypothesis test for the claims made about population means from two set data? 5. How to use TI84 to find P-value for hypothesis test made about two population means? 6. How to use TI84 to Construct confidence interval for the differences between mu1 and mu2? 7.  If 0 falls in confidence interval that I mentioned in questions3 and 6, what does that means?

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