Ten thousand people each buy a raffle ticket. Each ticket costs $1. One hundred people are chosen as winners. Of these hundred people, eighty will win $1, nineteen will win $100, and one lucky winner will win $7000. LetXdenote the profit (i.e., winnings minus cost) of a randomly chosen player of this game.

What are the possible values ofX? Give them as a comma-separated list in increasing order. And what are their probabilities? Also give them as a comma-separated list, with matching up with the order of the values.

A)

• possible values:
• probabilities:

B)

1. ComputeE(X) .Expectation =