12.6 combinations 2
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TRANSCRIPT
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.
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.
Combinations
Section 12.6
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?
• 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
• Four of 9 students will be selected for the MathCounts competition. How many different teams could be selected?
• 9C4 = 126
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6C2 = 210
18C2 = 153
Page 683
15C5 = 792
9C4 = 126
Page 683
C. 5C3 = 10
Page 683
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