A random sample of 685 college freshman found that 610 bought most of their textbooks from the college's bookstore. A random sample of 561 college seniors found that 491 bought their textbooks from the college's bookstore. You wish to test the claim that the proportion of all freshman that purchase most of their textbooks from the college's bookstore is greater than the proportion of all seniors at a significance level of a = 0.05. Assume the freshman are group one and seniors are group two. What are the correct hypotheses? Ho: Select an answer v ? v Select an answer v Ha: Select an answer v ? v Select an answer v