A news company conducts a poll to predict the outcome of an upcoming presidential election. Reporters go to a shopping mall and ask five hundred people which candidate they intend to vote for. These are the results of the poll: Candidate A: 52%
Candidate B: 48%

a) Describe a potential problem with relying on the results of the poll.

b) In the context of the scenario, explain an action the media company can take to increase the poll's accuracy.

c) In the context of the scenario, explain how the poll results can affect the outcome of the election in that state.