Final answer:
The correct option is B. The prize is shared among all winners. This person is guaranteed to win, but not guaranteed to win $500 million.
Step-by-step explanation:
The correct option for this question is B. The prize is shared among all winners. This person is guaranteed to win, but not guaranteed to win $500 million.
Purchasing all possible combinations of tickets in the Powerball lottery may increase the chances of winning, but it does not guarantee the jackpot prize of $500 million. Even if one person buys all the tickets, there is still a possibility that multiple winners could emerge. In such a case, the jackpot prize would be shared among all the winners.
Hence, while this strategy may increase the likelihood of winning, it does not guarantee winning the full $500 million prize.