1. Lesson 3

1.5. Explore 4

Mathematics 30-2 Module 2

Module 2: Probability

 

The probability of independent events can also be calculated by using graphic organizers such as Venn or tree diagrams.



textbook

Read “Example 2” on pages 194 to 197 of your textbook. Note how Max uses a Venn diagram to represent the problem and Melissa uses a tree diagram. Which method do you prefer?

 

Self-Check 3
  1. Complete question 6 on page 199 of your textbook. Answer
  2. Complete question 13 on page 200 of your textbook. Answer
  3. Complete question 8 on page 199 of your textbook. Answer
  4. A nationwide survey found that 35% of people in Canada have an electronic tablet and 68% of people in Canada have a cellphone.
    1. Use a graphic organizer, such as a tree diagram, to show all the possible outcomes with the corresponding probabilities. Answer
    2. How can you verify the probabilities for the tree diagram? Answer
    3. What is the probability that a person owns both a cellphone and an electronic tablet? Answer
    4. What is the probability that a person owns a cellphone but not an electronic tablet? Answer
    5. What is the probability that a person owns neither a cellphone nor an electronic tablet? Answer