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). Click here to view the standard normal distribution table (page 2). . . * (a) What sample size should be obtained if he wants to be within 2 percentage points with 95% confidence if he uses an estimate of 52% obtained from a poll? The sample size is (Round up to the nearest integer.)