review the concepts and language of outcomes, sample spaces and events as sets of outcomes
ACMMM050
use set language and notation for events, including A ̅ (or A′) for the complement of an event A, A∩B for the intersection of events A and B, and A∪B for the union, and recognise mutually exclusive events
ACMMM051
use everyday occurrences to illustrate set descriptions and representations of events, and set operations