Question

The national center for education statistics reports that the proportion of college freshmen who return to the same school for their sophomore year is 0.73. suppose we select a random sample of 400 freshmen from across the nation.

Answer 1

The proportion of college freshman who return to the same school for sophomore year is .73, otherwise known as 73%. If the same was 400 freshman, we could expect that 292 of those freshman would be returning to the same school.