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# How can we use theoretical probability to predict experimental probability?

How can we use theoretical probability to predict experimental probability?. Question of the day. agenda. Go over workbook p. 503 Notes on independent vs. dependent events Partner exercise from workbook Workbook p. 507-512 Exit ticket. Independent event.

## How can we use theoretical probability to predict experimental probability?

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### Presentation Transcript

1. How can we use theoretical probability to predict experimental probability? Question of the day

2. agenda • Go over workbook p. 503 • Notes on independent vs. dependent events • Partner exercise from workbook • Workbook p. 507-512 • Exit ticket

3. Independent event • Occurrence of one event that has no effect on the probability that a second will occur • Erika rolls a 2 on one numbered cube and a 3 on another numbered cube

4. Dependent event • Occurrence of one event that has an effect on the probability that a second will occur • Tom chooses some one for her team from a group of students and then Juan chooses and another student from the remaining students.

5. How to solve independent events • P(A and B) = P(A)*P(B) • Find the theoretical probability of flipping a coin and rolling a dice. • * =

6. How to solve dependent events • P( A and B) = P(A) * P(B after A) • Draw a red marble from a bag of 2 red and 3 blue, then without replacing it drawing another marble. • What is the experimental probability that both marbles are red? • *= simplify

7. Tree diagram for dependent event • The tree diagram shows the probability for choosing 2 red apples and 1 green apple. • Find P( red, then green) • *=. Simply • P(red, then red) =?

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