Approximating the Distribution of the Sample Proportion (VCE SSCE Mathematical Methods): Flashcards

$p$

$\hat{p}$ or $\hat{P}$

Less than 10

$np > 5$ and $n(1-p) > 5$

$\mu = p$

$\sigma = \sqrt{\frac{p(1-p)}{n}}$

Approximately normal

Natural consequence of random sampling

Population proportion $p$

Population proportion