A. Volleyball has a 0.4 chance of being sold out because 2 out of 5 were sold out and that equals 0.4.
B. To answer this, you need to find the number of predicted outcomes over the total number of possible outcomes. In this case it is 6/10 or 3/5 chance/probability. Between the 2 sports events there were 6 sold out compared to the total of 10.
