C. You would like to "build-your-own-burger" at a fast-food restaurant. There are five different breads, seven different cheeses, four different cold toppings, and five different sauces on the menu. If you want to include one choice form each of these ingredient categories, how many different burgers can you build?

D. If P(B) = 0.05, P(A|B) = 0.80, P(B') = 0.95, and P(A|B') = 0.40, find P(B|A).

E. How many different ways can a senior project manager and an associate project manager be selected for an analytics project if there are eight data scientists available?