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% condence if he uses an estimate of 52% obtained from a poll? The sample size is _(Round up to the nearest integer.)