2. Which sampling method would you use in each of the following scenarios? Your choices are: simple random, systematic, stratified, cluster, multistage, convenience, voluntary or census. Be sure to explain your choice and outline the process of choosing who to sample. a. You would like to have a pizza party for your class, and you need to know how many pizzas to order, and which toppings should go on each. b. A store would like to know if a rewards card program would be appreciated by its customers. c. You would like to inform people of a growing concern about the level of the beluga whale population and see if they will sign your petition to protect them. d. A factory needs to introduce a new quality control process on the chocolate chip machine