A sample of size n= 48 is drawn from a population whose standard deviation is o=50. Part 1 of 2 (a) Find the margin of error for a 99% confidence interval for u. Round the answer to at least three...

Extracted text: A sample of size n= 48 is drawn from a population whose standard deviation is o=50. Part 1 of 2 (a) Find the margin of error for a 99% confidence interval for u. Round the answer to at least three decimal places. The margin of error for a 99% confidence interval for is Part 2 of 2 (b) If the confidence level were 95%, would the margin of error be larger or smaller? Larger ,because the confidence level is higher