Help with these questions 2 and 3

D Question 2 6 pts A researcher wants to construct a 90% confidence interval for the true proportion of Arizona residents that enjoy Fire sauce on their tacos or burritos that has a margin of error that is at least 2%. If she has no initial guess for the true proportion, what is the minimum required sample size she must survey? 5 pts5 pts D Question 3 A study was carried out that compared the height of girls, measured in inches, recorded twice, once at age 12 and also at age 14. A 95% confidence interval was computed for the population of the differences for heights at age 14 minus heights at age 12 and is (0.35, 3.87). Which of the following is a correct interpretation about the true means of the heights of girls at age 12 and at age 14? O The height at age 14 is not significantly different than the heights at age 12. O There is not enough information. The height at age 14 is significantly smaller than the heights at age 12. O The height at age 14 is significantly larger than the heights at age 12