Geometry things

19. A survey was conducted about which nail is the easiest to use by Geometry in Ai Construction students. The results are: Roofing 8d 16d Total Male 20 16 4 Female 22 17 Total a) What is the probability that a random student prefers a roofing nail? b) If a student is a female, what is the probability that she prefers a 16d? c) If a student prefers a 16d, what is the probability that they are male? 20. A pizza is to be made with 3 topping from a choice of 5 meat and 5 vegetable toppings. No repeat toppings allowed. a) How many different ways can a pizza be created? b) What is the probability that random selected toppings are all meat