Set Notation Flashcards
1
Q
|A|
A
number of elements in A
2
Q
A u B
A
Union, all elements in A or B or both
3
Q
A n B
A
Intersection, set of elements in both A and B
4
Q
A \ B
A
Set of elements in A but not in B
5
Q
What is an experiment?
A
Any process with a random outcome
6
Q
What is the sample space?
A
Set of all possible outcomes of an experiment
7
Q
What are sets if A n B is the empty set?
A
Disjoint
8
Q
Inclusion/Exclusion principle for two sets
A
|S u T| = |S| + |T| - |S n T|
9
Q
Inclusion/Exclusion principle for three sets
A
|A u B u C| = |A| + |B| + |C| - |A n B| - |A n C| - |B n C| + |A n B n C|
