1. Sec: 12.1

2. Outcome – result of a single trial. Sample space – List of all possible outcomes. Event – consists of one or more outcomes of a trial. Independent event – each choice does not affect other options.

3. Example: Crust  Thin Hand tossed Meat  Pepperoni Sausage Ham Bacon Veggie  Onion Mushroom Green peppers Sauce  Red White If you can only choose one Item from each category how many different pizza can you make?

4. Dependent Events – outcomes affect other events. Example: Michael wants to take 6 different classes next year. Assuming that each class is offered each period, how many different schedules could he have? Factorial – when you multiply numbers in descending order. Written as 6! Calculator: 6 Math  PRB #4 Period1 st 2 nd 3 rd 4 th 5 th 6 th Number of choices

5. Chris has homework in Math, Chemistry and English. How many ways can he choose the order to complete his homework? You have a 5 question– multiple choice test, which has A, B, C, D choices. How many different ways can you answer the test?

6. Classwork: State whether the events are independent or dependent. 1. Choosing the color and size of a pair of shoes. 2. Choosing the winner and runner-up of a dog show. Solve each Problem: 3. An ice cream shop offers a choice or two types of cones and 15 flavors of ice cream. How many different 1 scoop ice cream cones can a customer order? 4. Lances’ math quiz has 8 true-false questions. How many different choices for giving answer to the 8 questions are possible? 5. For a college application, Macawi must select one of five topics on which to write a short essay. She must also select a different topic from the list for a longer essay. How many ways can she choose topics for the two essays.

7. Homework Pg. 635 10-15, 17, 18