If a political poll indicates that a 95% confidence interval for a presidential approval rating is between 47% and 57%, what is the assumed margin of error?

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next