1. In each case, find and . a. n = 80 and X = 40 b. n = 200 and X = 90 C. n = 130 and X = 60 d. n = 60 and X=35 e. n = 95 and X = 43 2. (ans) Find p and q for each percentage. (Use each percentage for p.) a. 15% b. 37% C. 71% d. 51% e. 79% 3. Vacations A U.S. Travel Data Center survey conducted for Better Homes and Gardens of 1500 adults found that 39% said that they would take more vacations this year than last year. Find the 95% confidence interval for the true proportion of adults who said that they will travel more this year. Source: USA TODAY 4. Regular Voters in America Thirty-five percent of adult Americans are regular voters. A random sample of 250 adults in a medium-size college town were surveyed, and it was found that 110 were regular voters. Estimate the true proportion of regular voters with 90% confidence and comment on your results.