Investigate a lottery competition somewhere in the world. Explain how the lottery works, and what needs to happen for someone to win the jackpot, and at least one of the minor prizes.

a-) Calculate the probability of winning each of the prizes you described, giving a full explanation of your work.

b-) Consider the cost of playing. Do you think the prizes offered are fair? If not, why not, and why do you think people continue to play?