probability of simple events and its definition
- 2. Objectives: At the end of the lesson, students are expected to: Define probability of simple events Solves probability of simple events Appreciate the importance of the lesson by citing real life examples.
- 3. INSTRUCTION: Identify whether the following situations are sure to happen, impossible to happen and may or may not happen 1. Tomorrow is Friday 2. A father is younger than his son 3. A mother having two children 4. A thunder and lightning are only during a sunny day
- 4. INSTRUCTION: 5. Students will pass the exam 6. Winning in a lotto 7. A human can fly 8. The sun rises at east 9. There is a snow in the Philippines 10. A human cannot live without food and water for a decade.
- 5. PROBABILITY What comes in your mind?
- 6. -it tells how likely an event to happen Probability
- 7. Rule #1: The probability of any event is a number ranging from zero to one ( either a fraction or decimal) or in percentage Probability Rules:
- 8. 0 ½ 1 0% 50% 100%
- 9. Rule #2: If an event will never happen, then its probability is zero Probability Rules:
- 10. Rule #3: If an event is sure to happen, then its probability is 1 Probability Rules:
- 11. Rule #4: The sum of probabilities of all outcomes in a sample space is 1 Probability Rules:
- 12. Formula:
- 13. example: In tossing a coin, what is the probability of getting a head?
- 14. example: In rolling a die, what is the probability of getting 2?
- 15. example: In the word ASSURANCE, what is the probability of getting A?
- 16. example: In the numbers 1 to 10, what is the probability of getting a number less than 3?
- 17. Activity Time
- 18. Quiz Instruction: Solve for the probability of the following events. Reduce your answer in its lowest term if possible
- 19. 1. A box contains 7 red balls, 5 orange balls and 3 blue balls, what is the probability of getting a. Orange balls? b. Yellow balls? c. Red balls? d. Green balls?
- 20. Given the number 09474569505, what is the probability of getting, a. 4? b. 6? c. 9? d. 2?
- 21. In the word TRUSTWORTHY, what is the probability of getting, a. T? b. R? c. A? d. B?
- 22. Assignment: Instruction: Solve for the probability of the following events. Reduce your answer in its lowest term if possible
- 23. 1. Pia was asked to choose a random in a week. What is the probability of choosing a day that starts with S? 2. In the numbers 1 to 10, what is the probability of getting a factor of 8?