Question: A random study of recent graduates' average grades and degrees showed the following results.

If a graduate is selected at random, find these probabilities.

a. The graduate has a B.S. degree, given that he or she has an A average.

b. Given that the graduate has a B.A. degree, the graduate has a C average.

c. What is the probability that a person has a B.S. degree and a B?

d. What is the probability that a graduate has neither an A nor a C.