Question: 2. MBB Problem 12.6 (modified): Bernie Belfry, the coordinator for Habitat for Humanity, wants to know the percentage of the population living in substandard housing.

2. MBB Problem 12.6 (modified): Bernie Belfry, the coordinator for Habitat for Humanity, wants to know the percentage of the population living in substandard housing. Belfry wants to be 95% certain that he is within 5 percentage points of the population percentage. How large a sample does Belfry need?

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