11.5/11.6 Permutations and Combinations

Comic of the Day

Warm Up and Questions from the Homework
a) For a hockey team with 18 skaters, how many ways could the five positions be filled (RW,C, LW,LD,RD)?
b) For a hockey team with 12 forwards and 6 defensemen, how many ways could 3 forwards (RW,C,LW) and 2 defensemen (LD,RD) be picked?

Announcements

• Next quiz Thu, Apr 11 (11.5-11.6 Permutations and Combinations)
• Next unit exam Thu, Apr 18 (55 minutes, in class)
• Summary of Studying (SOS) must be completed to write unit exam
• Final Exam - Thu, Apr 25, 8:15-10:10, E102 (regular classroom)

Today - 11.5/11.6 Permutations and Combinations
Permutation Generator
http://users.telenet.be/vdmoortel/dirk/Maths/permutations.html
Playing Card Dealer
http://www.random.org/playing-cards/
Notes

Intermission (Combinations of Rubik's Cube)
http://www.numberphile.com/videos/rubiks43.html

Homework
11.5 #15-41
11.6 #1-31, 37-43

Tomorrow - More Applications of Permutations and Combinations
Will go through worksheets on Moodle (print if you want, or I will bring up on projector)

For more information
Poker hands

http://www.youtube.com/watch?v=RpXspMZVoSI
https://www.khanacademy.org/math/probability/probability-and-combinatorics-topic/permutations_and_combinations/v/permutations
https://www.khanacademy.org/math/probability/probability-and-combinatorics-topic/permutations_and_combinations/e/permutations_1
http://patrickjmt.com/permutations-counting-using-permutations/
https://www.khanacademy.org/math/probability/probability-and-combinatorics-topic/permutations_and_combinations/v/combinations
https://www.khanacademy.org/math/probability/probability-and-combinatorics-topic/permutations_and_combinations/e/combinations_1
https://www.khanacademy.org/math/probability/probability-and-combinatorics-topic/permutations_and_combinations/e/permutations_and_combinations_2
http://patrickjmt.com/combinations-counting-using-combinations/