Suppose the probability that you get an A in any class you take is .3, and the

Question:

Suppose the probability that you get an A in any class you take is .3, and the probability that you get a B is .7. To construct a GPA, an A is worth 4.0, and a B is worth 3.0. What is the expected value for your GPA? Would you expect to have this GPA separately for each quarter or semester? Explain.