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Still Confused?

Try reviewing these fundamentals first.

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Get Started Now- Intro Lesson9:56
- Lesson: 1a1:03
- Lesson: 1b0:53
- Lesson: 1c1:06
- Lesson: 2a1:01
- Lesson: 2b1:02
- Lesson: 2c1:36
- Lesson: 2d1:05
- Lesson: 3a1:32
- Lesson: 3b1:05
- Lesson: 3c2:07
- Lesson: 3d2:30

Tables and tree diagrams are useful tools to calculate probabilities. With them, you can list all the possible outcomes of an event (sample space) in a clear and easy to understand way. Therefore, we can determine the probabilities of events effectively.

- Introduction
- 1.Ken flips a coin and draws out a marble from a bag with 4 marbles of different colours: green, blue, red, orange and yellow.a)Draw a tree diagram to show the sample space.b)What is the probability of P(H, R)?c)What is the probability of not getting the head?
- 2.Two standard six-sided dice are rolled.a)Draw a table to display the sample space.b)What is the probability of P(doubles)?c)What is the probability of P(sum less than 10)?d)What is the probability of P(two even numbers)?
- 3.Assume that there will only be rain or sunshine in the next 4 days. Draw a table to display the sample space. Determine the probability of:a)There is rain 4 days in a row.b)There is rain or no rain 4 days in a row.c)There is rain in any 2 days.d)There is rain in at least 1 day.

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