12.6 combinations 2

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12.6 combinations 2

  1. 1. Daily Homework Quiz For use after Lesson 12. 6 Find the number of combinations. 1. 12C5 2. 25C2 • Have a book to read or something to work on for when you finish your homework. • You will have time to study for your quiz and work on late work today or other homework today.
  2. 2. Daily Homework Quiz For use after Lesson 12. 6 Find the number of combinations. 1. 12C5 ANSWER 792 2. 25C2 ANSWER 300 • Have a book to read or something to work on for when you finish your homework. • You will have time to study for your quiz and work on late work today or other homework today.
  3. 3. Combinations Section 12.6
  4. 4. Essential Questions • What are the differences between permutations and combinations? • What are the differences between odds and probability? • How is probability used to make predictions? • What are the differences between experimental and theoretical probabilities?
  5. 5. • For the All-Star softball team, 4 players were chosen from the eligible players on each team. The Mighty Titans had 10 eligible players. How many different All- Star team selections could have been chosen? (remember – order is not important) • 10C4 = 210
  6. 6. • Four of 9 students will be selected for the MathCounts competition. How many different teams could be selected? • 9C4 = 126
  7. 7. Page 683 6C2 = 210 18C2 = 153
  8. 8. Page 683 15C5 = 792 9C4 = 126
  9. 9. Page 683 C. 5C3 = 10
  10. 10. Page 683
  11. 11. Homework • Worksheet 12.6 • Quiz tomorrow over 12.4-12.6. • Online scientific calculator. – www.lewiscentral.k12.ia.us/shipp When finished with homework, Read section 7.8 page 380 sections 12-4 – 12.5 page 670- 682

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