permutation in a sentence

Examples

1. In particular, a random permutation contains about one fixed point.
2. Australia and New Zealand use a permutation of the British system.
3. In total, that's 7x2x6 = 84 possible permutations!
4. A transformation monoid whose elements are invertible is a permutation group.
5. No patent databases generate all possible permutations and index them separately.
6. The null hypothesis distribution was computed by the number of permutations.
7. The number of selected permutations equalled the number of unselected permutations.
8. The number of selected permutations equalled the number of unselected permutations.
9. I tried a bunch of different permutations, but none worked.
10. This includes a permutation matrix representation of M 22 : 2.