3) Calculate the sample proportion of U.S. residents over 25 who had a bachelor's degree or higher. Type your calculation and round your answer to four decimal places. b) Write one sentence each to check the three conditions of the Central Limit Theorem. Type the work for all mathematical calculations needed to check these conditions. c) Using the sample proportion obtained in (a), construct a 9D% confidence interval to estimate the population proportion of US residents over 25 who had a bachelor's degree or higher. Please do this by typing all calculations using the formula and typing your work. Round your confidence limits to two decimal places. d) Verify your result from part (c) using Stat l Proportions Stats [ Cine Sample ll With Summary. Inside the box, enter the number of successes, the number of observations