Greetings, iam Cindy Marino, I hope your day is as beautiful as your smile.
What Is The Formula For Number Of Combinations? [Solved]
The number of combinations of n objects taken r at a time is determined by the following formula: C(n,r)=n! (n−r)! r!
Combinations made easy
Combinations
Combination formula | Probability and combinatorics | Probability and Statistics | Khan Academy
Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability.
Combination formula-Examples and How to Solve
Learn how to recognize when to use the
