Year 7 Probability Problems and Skills Quiz

You flip a coin and predict heads. Where would this event sit on the probability scale?

• Unlikely

• Certain

• Impossible

• Equal

You pick a red marble from a bag that only contains blue marbles. Where does this event sit on the probability scale?

• Certain

• Equal

• Impossible

• Likely

You roll a six-sided dice and predict rolling a 1. Where does this event sit on the probability scale?

• Likely

• Certain

• Impossible

• Unlikely

A meteor will strike Earth tomorrow. Where would this event sit on the probability scale?

• Certain

• Likely

• Equal

• Unlikely

You will wake up tomorrow morning. Where would this event sit on the probability scale?

• Equal

• Certain

• Impossible

• Unlikely

You pull a card from a standard deck of cards and predict it will be a heart. Where would this event sit on the probability scale?

• Equal

• Unlikely

• Certain

• Impossible

A rainy day is predicted, but you live in the desert where it rarely rains. Where would this event sit on the probability scale?

• Equal

• Likely

• Unlikely

• Certain

You roll fair dice and predict you will get a number less than 7. Where does this event sit on the probability scale?

• Equal

• Unlikely

• Impossible

• Certain

A bag contains 4 red marbles, 5 blue marbles, and 1 green marble. What is the probability of randomly selecting a red marble?

• 1 over 5

• 1 over 10

• 3 over 10

• 4 over 10

A bag contains 3 yellow marbles, 6 white marbles, and 1 black marble. What is the probability of selecting a black marble?

• 3 over 10

• 6 over 10

• 1 over 10