The Probability Scale (Grade 12 NSC Matric Mathematical Literacy): Flashcards

Numerical system measuring how likely an event is to happen

Impossible event (will never happen)

Certain event (will definitely happen)

Decimals, fractions, and percentages

$0.5$ or $\frac{1}{2}$ or $50\%$

$0.75$ and $75\%$

$0.25$ and $25\%$

Between $0$ and $1$ (never exceed $1$ or less than $0$)

$\frac{1}{2}$ = $0.5$ = $50\%$

Equally likely to happen or not happen