A television sports commentator wants to estimate the proportion of citizens who "follow professional football." Complete parts (a) through (c). Click here to view the standard normal distribution table (page 1).LOADING... Click here to view the standard normal distribution table (page 2).LOADING... Question content area bottom Part 1 (a) What sample size should be obtained if he wants to be within 4 percentage points with 95% confidence if he uses an estimate of 54% obtained from a poll? The sample size is enter your response here. (Round up to the nearest integer.) Part 2 (b) What sample size should be obtained if he wants to be within 4 percentage points with 95% confidence if he does not use any prior estimates? The sample size is enter your response here. (Round up to the nearest integer.) Part 3 (c) Why are the results from parts (a) and (b) so close? A. The results are close because 0.54 left parenthesis 1 minus 0.54 right parenthesis equals0.2484 is very close to 0.25. B. The results are close because the confidence 95% is close to 100%. C. The results are close because the margin of error 4% is less than 5%