Statistics

Virginia SOL A2.ST.3

Compute and distinguish between permutations and combinations.

What students need to be able to do

  • Compare and contrast permutations and combinations to count the number of ways events can occur.
  • Calculate the number of permutations of n objects taken r at a time.
  • Calculate the number of combinations of n objects taken r at a time.
  • Use permutations and combinations as counting techniques to solve contextual problems.
  • Calculate and verify permutations and combinations using technology.