Super soap inc is planning a new line of cleaning products targeted at budget-minded consumers. they want to conduct a survey to find out whether it will be popular with buyers. they decide to choose five states across the country at random. the cleaning products are marketed on a trial basis to middle-and low-income groups in these states. which type of sampling method are the researchers using?
a) quota sampling
b) conviene sampling
c) cluster sampling i’ll put you as brainliest