Final answer:
The margin of sampling error represents the maximum amount by which the results of the survey may differ from the true opinions or characteristics of the population being studied. In this case, the margin of sampling error is given as +/- 3 percent.
Step-by-step explanation:
The margin of sampling error represents the maximum amount by which the results of the survey may differ from the true opinions or characteristics of the population being studied.
In this case, the margin of sampling error is given as +/- 3 percent, which means that the survey results could be up to 3 percentage points higher or lower than the true values.