A sample of size 65 is drawn from a population whose standard deviation is 7. Part 1 of 2 (a) Find the margin of error for a 99% confidence interval for Round the answer to at least three decimal places. The margin of error for a 99% confidence interval for us 5 be Part 2 of 2 (b) If the sample size were 58, would the margin of error be larger or smaller? (Choose ane) because the sample size is (Choose one) X $