2. A Short Lesson on Probability By Mrs. GarciaMrs. Garcia

3. What are the Chances? A probability experiment is something that can happen in more than one way.

4. The outcomes of an experiment are the ways it can happen. The event is the particular outcome you are looking for. 6101252

5. ? H T H TT H The Probability of an Event = P(Event) = the number of ways it can happen the number of possible outcomes P(H+T) = 2 = 1 4 2 __

6. B A B AA B 1414 1212 3535 2525 1414 Try these… a) b) P(red)P(blue)P(yellow or blue) 1515

7. What is the probability of getting 4 fives? P(4 fives) = CARDS 4 13

8. What is the probability of getting an even number? 2 13 DICE P(even) =

9. What is the probability of rolling two coins and getting H first and then T? P(H & then T) = COINS 1414

10. What is the probability that you will get an A this marking period?

11. About the Author Hello, my name is Maria Garcia and I really enjoy working with computers. I also find probability a fascinating subject. I hope you do too! Click here to return to the title page.