=     σ =     n =
N is     N =
$\text{Sampling Distribution of } \bar{x}$   $P($ $\bar{x}$ within $\pm$ of $\mu$ $)$   $\text{Sampling Distribution of } \bar{p}$   $P($ $\bar{p}$ within $\pm$ of $p$ $)$  
Example 1Example 2
Point Estimation
Example 1Example 2