Question 9: For a) and b) state which type of sample is given. a) At prom 300 people are expected. Someone takes the first 50 tickets at the door, puts them in a hat and draws a prize at the end of the night. Is this biased or not? How can this be corrected? (3 marks) L b) Harvey's restaurant breaks has 5 regions in Ontario. 2 Regions are selected > and 10 restaurants from each region are selected. All of the employees from each these restaurants fill in a survey about working conditions. (1 mark)