Date: Full Name: 18. The probability that Sarjay will play golf today is 60%, the probability that he will play golf tomorrow is 75%, and the probability that he will play golf on both days is 50%. What is the probability that he does not play golf on either day? [2 marks] 19. Of the 19 employees at a gift shop, 13 work full time, 7 work on weekends, and 9 are casual employees. All of the permanent part-time employees work on weekends, 3 of the full-time employees work on weekends, 4 of the casual employees work full time, and 4 of the weekend staff are casual employees. Use a Venn diagram to determine how many full-time casual employees work on weekends. [4 marks]