Understanding Simple Probability

What does probability measure?

• The likelihood of an event occurring

• The speed of an object

• The temperature of an object

• The weight of an object

What probability value indicates an impossible event?

• 1

• 0.5

• 0.25

• 0

What is the probability of flipping a coin and it landing on heads?

• 75%

• 50%

• 25%

• 100%

What does a probability of 1 indicate?

• The event is unlikely

• The event is impossible

• The event has a 50% chance of happening

• The event is certain to happen

Which type of probability is based on actual experiments?

• Absolute

• Experimental

• Conditional

• Theoretical

What is the theoretical probability?

• Based on actual outcomes

• What should happen in theory

• Based on hypothetical situations

• Calculated after an experiment

If a bag contains 3 yellow marbles out of 18, what is the probability of drawing a yellow marble?

• 1/2

• 1/6

• 3/18

• 1/3

What is the probability of getting a red or yellow marble from a bag containing 9 red and yellow marbles out of 18 total?

• 1/2

• 1/4

• 1/3

• 3/4

If a spinner has 5 colors and you spin it, what is the probability of it landing on blue if there is only one blue section?

• 20%

• 100%

• 50%

• 25%

How can students get help with the worksheet?

• By sending an email or chat message

• By waiting for the next class

• By guessing the answers

• By asking a friend