Question

In a charity lottery, 100 tickets are sol for $10 each. One first prize of $200, an one second prize of $100 are to be awarded. Consider a prson who buys two tickets, and let X=the amount this person wins(in $). (Note that X-20 =this person's net gain.) Specify thprobability distribution of X by using the probability distribution table(Hint: A tree diagram might be helpful tool.)