Question: Suppose that n balls are tossed into b bins so that each ball is equally likely to fall into any of the bins and that the tosses are independent.
a) Find the probability that a particular ball lands in a specified bin.
b) What is the expected number of balls that land in a particular bin?
c) What is the expected number of balls tossed until a particular bin contains a ball?
d) What is the expected number of balls tossed until all bins contain a ball?