Term
| Multiplication rule of counting |
|
Definition
| If there are p selections for the first choice, q selections for the second choice, and r selections for the third choice, the task can be done in p x q x r |
|
|
Term
|
Definition
|
|
Term
| Permutation of n distinct objects |
|
Definition
An ordered arrangement in which r objects are chosen from n distinct objects and repetition is not allowed
14p3 = 14 x 13 x 12 |
|
|
Term
|
Definition
|
|
Term
|
Definition
| A collection, without regard to order, of n distinct objects without repetition |
|
|
Term
|
Definition
|
|
Term
| Permutation with non-distinct items |
|
Definition
| The number of permutations of n objects of which n1 are one kind, n2 are of a second kind,…, and nk are of a k-th kind |
|
|
Term
| Permutation with non-distinct items = |
|
Definition
|
|
