The Standard Normal Distribution (HSC SSCE Mathematics Advanced): Quizzes

$\phi$ (phi)

$\mu = 0$, $\sigma = 1$

$\phi(-z) = \phi(z)$

$z = -1$ and $z = 1$

$\Phi(0) = 0.5$

$0.0668$

Approximately $95\%$

$0.67$

$0$

S-shaped (sigmoid)