The margin of error in poll was 3 and estimate was made

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1) In a poll 37% of the people polled answered yes to the question are you in favor of the death penalty for a person covited of murder? The margin of error in the poll was 3% and the estimate was made with 96% confidence. At least how many people were surveyed ?

2) By how many times does the sample size have to be increased to decrease the margin of error by a factor of 1/7?

Reference no: EM13470574

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