Relative Frequency (HSC SSCE Mathematics Advanced): Quizzes

$f_r = \frac{f}{n}$

Experimental probabilities

$\text{Var}(X) = E(X^2) - \mu^2$

$P(X \leq x)$

They increase from 0 to 1

1

Ten

0.68

$\frac{\pi}{4}$

$\bar{x} = \sum x \cdot f_r$