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13-1 Permutations and Combinations Pre Calc A. Vocabulary Factorial Independent Events Dependent Events Basic Counting Principle Permutation Combination.

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Presentation on theme: "13-1 Permutations and Combinations Pre Calc A. Vocabulary Factorial Independent Events Dependent Events Basic Counting Principle Permutation Combination."— Presentation transcript:

1 13-1 Permutations and Combinations Pre Calc A

2 Vocabulary Factorial Independent Events Dependent Events Basic Counting Principle Permutation Combination

3 Ex 17: Determine whether the events are independent or dependent. Tossing 3 coins one at a time Choosing a president, vice president, and treasurer for a club Selecting a math, history, and science for next year The order in which runners finish 1 st, 2 nd, and 3 rd in a race

4 Ex : Mr. Douty is buying a suit, either one made of wool or one made of polyester. He has narrowed down the choices of colors to gray, blue, black, or tan and the matching tie to a floral, stripe, or solid. How many different selections of his suit and tie are possible?

5 Ex last one: How many seven digit phone numbers begin with 28? How many seven digit phone numbers begin with 28 if no digits can be repeated?

6 Ex 17: How many different ways can 5 different textbooks be placed on a shelf?

7 Ex : A high school honor club is composed of 7 students. How many different ways can all the members stand in a straight line for a picture? How many ways can they select a president and vice president ?

8 Ex : A TV network has 15 movies they can show for the holidays. They have spots to air 3 of these movies. How many groups of three can be selected?

9 Ex last one: There are 10 names on the ballot for senior class officers. Four will be selected to form a committee. How many different committees of 4 can be formed? In how many ways can a committee of 4 be formed if each student has a different responsibility? If ther5e are 6 girls and 4 boys on the ballot, how many committees of 3 girls and 1 boy be formed?

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