7. (4 points) You are participating in a draw with the probabilities given below. It's $1.50 to enter, with a 30% chance of getting your money back, and a 10% chance of getting your money back and winning $10 in addition. Let X be the amount of money you win/lose by participating in this draw. X P(X) x*P(X) -1.5 0 0.3 10 0.1 (a) Complete the table above (b) What is the expected value of X? (c) After calculating the expected value, would you invest $1,000 in this game of chance? Why or why not