Question: 1. Define a random variable B describing the number of black ducks you see when you visit the ducks.
(a) What is N?
(b) Give P(B = n) for each n ∈ N (the probability distribution of B).
(c) Compute E[B].
2. Define a random variable G, the number of grey ducks you see when you visit the ducks, and compute its expected value.