Please assist. When the results of a survey or poll are published, the sample size and the margin of error are both given. For example:

Please assist. I've attached the worksheet.

When the results of a survey or poll are published, the sample size and the margin of error are both given. For example: 1000 voters were surveyed and 39±2% of the voters agree with the president. In this example N=1000 and the margin of error (MoE) is 2%.