How to do a random selection for a survey Practice Test

John can go to his local mall and survey individuals at random to determine if they enjoy shopping

There is no effective way to randomly select participants to be surveyed

John can go to his local grocery store and survey individuals at random to determine if they enjoy shopping

John can sit at the park in his neighborhood and survey every individual that passes by to determine if they enjoy shopping

John can number residents his neighborhood and randomly select residents to survey using a random number generator