Permutations And Combinations Flashcards
Definitions, permutations, combinations
1
Q
What are Permutations and Combinations?
A
Concern all the different possible ways that a series of outcomes can occur.
2
Q
What is an integer?
A
Whole number (positive or negative)
3
Q
What are Factorials?
A
Calculated by multiplying an integer by all of the whole numbers that are lower than it to 1.
E.g. 3! = 3x2x1 = 6
4
Q
What are objects within a set called?
A
Elements
5
Q
What are Arrangements?
A
A grouping of all the elements within a set.
6
Q
What are Permutations?
A
Ordered arrangement of elements within a set.
7
Q
What are Combinations?
A
An UNORDERED arrangement of element within a set
