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Which of the following polling methods for an upcoming mayoral election would be the most appropriate way to obtain an accurate prediction for the election?


Survey every fifth customer at a popular, local discount store for one hour on a weekday morning, for one hour on a different weekday evening, and for one hour on a Saturday afternoon.


Survey every third visitor to the local library on a weekday and again on a Saturday.


Survey each college student and each college student's parents at registration for the local community college.


Send out polling representatives for door to door surveys to one-tenth of the neighborhoods in each section of the city, on a weekday afternoon, a weekday evening, and a weekend afternoon.

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