For #18-24 use the following scenario. Men's heights are normally distributed with u = 68.3 inches and o = 1.8 inches. 18. What is the probability that a randomly selected man is shorter than 68 inches? 19. Approximately 40% of men are below what height? (Round to the nearest tenth of an inch) 20. The big and tall men's shop caters to men over 70 inches tall. Approximately what percent of men would find clothes that fit at the store? 21. The middle 60% of men are between and inches tall (approximately). 22. What is the probability that a randomly selected man is taller than 69 inches? 23. If 25 men are randomly selected, what is the probability that the mean of their height is shorter than 68 inches? 24. If 36 men are randomly selected, what is the probability that the mean of their height is taller than 69 inches