Determine the margin of error for an 80% confidence interval to estimate the population mean when s = 43 for the sample sizes below. a) n = 10 b) n =35 c) n=55 a) The margin of error for an 80% confidence interval when n = 10 is (Round to two decimal places as needed.) b) The margin of error for an 80% confidence interval when n = 35 is (Round to two decimal places as needed.) c) The margin of error for an 80% confidence interval when n = 55 is (Round to two decimal places as needed.) ce