Private universities' mean tuition cost is more than $20,000 per year. Type I error: We conclude that the average tuition cost at private universities is at most $20,000, and in reality it is at most $20,000. We conclude that the average tuition cost at private universities is at most $20,000 when, in fact, it is more than $20,000. We conclude that the average tuition cost at private universities is more than $20,000, though in reality it is at most $20,000. We conclude that the average tuition cost at private universities is more than $20,000 when, in fact, it is more than $20,000. Incorrect: Your answer is incorrect. Type II error: We conclude that the average tuition cost at private universities is at most $20,000, and in reality it is at most $20,000. We conclude that the average tuition cost at private universities is at most $20,000 when, in fact, it is more than $20,000. We conclude that the average tuition cost at private universities is more than $20,000, though in reality it is at most $20,000. We conclude that the average tuition cost at private universities is more than $20,000 when, in fact, it is more than $20,000