WDYE Quiz Review 2025

Which of these numbers could NOT be a probability?

• 3/4

• 1

• 0

• 4/3

• 1/7

Answer explanation

Probabilities are always LESS than 1.

Tags

CCSS.7.SP.C.5

What is an example of an event that has 100% chance of happening with this spinner?

• I will spin an odd number

• I will spin an even number

• I will spin an 8

• I will spin a number greater than 1

• I will spin a number greater than 20

Tags

CCSS.7.SP.C.5

What is an example of an event that has 0% chance of happening with this spinner?

• I will spin an odd number

• I will spin an even number

• I will spin an 8

• I will spin a number greater than 1

• I will spin a number greater than 20

Tags

CCSS.7.SP.C.5

What is an example of an event that has 100% chance of happening with this bag of marbles?

• I will get a marble

• I will get a red marble

• I will get a red, blue or green marble

• I will get a white marble

• I will win the lottery

Tags

CCSS.7.SP.C.5

What is an example of an event that has 0% chance of happening with this bag of marbles?

• I will get a marble

• I will get a red marble

• I will get a red, blue or green marble

• I will get a white marble

• I will win the lottery

Tags

CCSS.7.SP.C.5

If an event is IMPOSSIBLE what is the probability that it will occur?

• 0

• 1/5

• 4/5

• 1

Tags

CCSS.7.SP.C.5

Type "done" in the box below when you are ready to check your tree diagram.

Answer explanation

Tags

CCSS.7.SP.C.8B

Using your tree diagram, how many possible combinations are there?

Tags

CCSS.7.SP.C.8B

Using your tree diagram, what is the probability of getting pancakes, apple and water for your meal?

Write it as a fraction.

Tags

CCSS.7.SP.C.8B

Using your tree diagram, what is the probability of getting water with your meal?

Write it as a fraction.

Tags

CCSS.7.SP.C.8B