Suppose That 60% of the Students Do Homework Regularly

Multiple Choice

Suppose that 60% of the students do homework regularly. It is also known that 80% of students who had been doing homework regularly end up doing well in the course. Only 20% of students who had not been doing homework regularly end up doing well in the course. What is the probability that a student does well in the course?

A) 0.080
B) 0.480
C) 0.560
D) 0.857