We know, based on past history, that 72% of all students who enter a particular university as freshmen will graduate in four years.If graduation rates and gender are independent, what proportion of female freshmen would we expect to graduate in four years?
A) More than 72%
B) Less than 72%
C) Roughly 72%
D) The percentage will depend on the proportion of female freshmen in the class.

Question

Quizplus · Accepted Answer

If graduation rates and gender are independent, then the overall graduation rate of 72% applies to both male and female students. Therefore, we would expect approximately 72% of female freshmen to graduate in four years.

We Know, Based on Past History, That 72% of All