Please please. Please sir answer

After you have completed the learning materials, write your own response to the following: A researcher says that the population they want to sample is people living on the Cayman Islands. What would be a real sample to try to get at part of this population? What ways should the sample be limited? Would sitting in a restaurant, sitting in a hospital waiting area, and sitting at the beach and asking people to complete your survey provide you with a random sample within the Caymans? Why, or why not