Private Four-Year Colleges From the data in CollegeScores4yr we know that about 62% of four-year colleges in the US are private institutions. Suppose that we select samples of n - 75 schools at a time from the population of all four-year colleges and find the proportion of private schools in each sample, (a) Consider the distribution of these sample proportions when n - 75 and p-0.62. What is its form? Center - (round to three decimal places) Standard error
(b) What proportion of these samples will have less than 50% public schools? Round to three decimal places