2 CO! Question 1(6 marks) A Canadian retail chain has 3 stores in Toronto, Scarborough and North York, with 1,000 employees: 10% managers, 30% supervisors, and 60% customer service representatives. You are the researcher for the company, and you are asked to design a survey on employee satisfaction with caroor development, and to conduct interviews on the same topic. a) Probability sampling (3 marks): Assume that the sample size for the survey is determined to be 200 employees. Explain 4 ways of selecting a probability sample, and the advantages and disadvantages of each design b) Non-probability sampling (3 marks): Assume that the sample size for the interviews is determined to be 50 employees. Explain 3 ways of selecting a non- probability sample, and the advantages and disadvantages of each design