Mathematics, 02.07.2020 18:01, akatherine1738

Assume that the president’s job approval is at 43%. Assume the cost of conducting a poll is $2.50 per person. Imagine if you were to be tasked with helping to create a poll for next month on the president’s job approval (specifically, on determining the number of people to be sampled). What would be the cost difference for a poll designed to have a margin of error of 1 percentage point vs. that of a poll designed to have a margin of error of 4 percentage points?

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Assume that the president’s job approval is at 43%. Assume the cost of conducting a poll is $2.50 pe...