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Probability and Chance Events

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Probability and Chance Events

Dice and coins showing probability concepts

🎲 Part 1: Possible Outcomes and Likelihood

1. You flip a coin. What are the possible outcomes?

Heads or Tails

Heads, Tails, or Side

Only Heads

Only Tails

2. You roll a standard six-sided die. Which outcome is impossible?

Rolling a 3

Rolling a 6

Rolling an 8

Rolling a 1

3. A bag contains 5 red balls and 1 blue ball. Order these events from most likely to least likely:

A) Drawing a red ball _____ B) Drawing a blue ball _____ C) Drawing a green ball _____

(Write 1 for most likely, 2 for next, 3 for least likely)

4. Match each event with the correct likelihood word:

The sun will rise tomorrow: ______________

Rolling a 7 on a six-sided die: ______________

It will rain sometime this year: ______________

You will grow 2 metres taller overnight: ______________

Words to use: certain, likely, unlikely, impossible

🔗 Part 2: Independent and Dependent Events

5. Circle whether each pair of events is INDEPENDENT or DEPENDENT:

a) Flipping two coins at the same time

INDEPENDENT or DEPENDENT

b) Drawing two cards from a deck without putting the first card back

INDEPENDENT or DEPENDENT

c) Rolling two dice at the same time

INDEPENDENT or DEPENDENT

6. Explain why drawing cards without replacement makes the events dependent:
7. A bag has 3 green marbles and 2 yellow marbles. You draw one marble and keep it, then draw another. Are these events independent or dependent? Why?

🧠 Part 3: Real-Life Probability

8. Give one example of independent events from your daily life:
9. Give one example of dependent events from your daily life:
10. A spinner has 4 equal sections: 2 red, 1 blue, 1 green. List all possible outcomes and circle which colour is most likely:

Possible outcomes: ________________________________

Most likely colour: RED BLUE GREEN

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