2.1.4. Events

Try these first

1. 1.

   Identify a simple event when rolling a die.

   Hint

   Think of just one face showing.

2. 2.

   What does a sure event mean?

   Hint

   Consider all possible outcomes.

3. 3.

   What is a sure event?

   • An event that cannot occur
   • An event that always happens
   • An event with multiple outcomes

   Hint

   Think of what always occurs in a situation.

4. 4.

   True or False: A simple event can consist of multiple outcomes.

   • True
   • False

   Hint

   Reflect on the definition of a simple event.

5. 5.

   If you roll two dice, calculate the probability of getting an even sum. Identify the relevant events.

   Hint

   Consider pairs where both numbers are odd or even.

6. 6.

   If a bag contains 4 red and 6 blue balls, determine the probability of selecting a red or blue ball. Define the events.

   Hint

   Reflect on the total number of balls.