hello, PLZ help me with these stat and prop issues

. The probabilities of a return on an investment of $6000, $100001 and $ 15000 are .7, .2, and .1, respectively. Construct a probability distri bution and draw the graph. . One thousand lottery tickets are sold at $5 each. There is one winner, and that winner takes home $5000. Suppose you buy one ticket. What is the expected value of your purchase? . Consider the following game: A player pays a certain amount of money to roll two dice. If the person rolls doubles they win $10. How much should the player be charged to play so that the game is fair? . A coin is tossed FIVE times. Determine the following probabilities: (a) There is exactly two heads. (b) There is at most threads