Exploring Probability Concepts

A bag contains 3 red marbles, 5 blue marbles, and 2 green marbles. What is the probability of randomly selecting a red marble from the bag?

• 0.3

• 0.5

• 0.2

• 0.1

Tags

CCSS.7.SP.C.7B

If you roll a fair six-sided die, what is the probability of rolling a number greater than 4?

Tags

CCSS.7.SP.C.7B

Which of the following events is certain to happen?

• Rolling a 7 on a standard six-sided die

• Drawing a red card from a standard deck of cards

• The sun rising in the east

• Flipping a coin and getting heads

Tags

CCSS.7.SP.C.5

A spinner is divided into 4 equal sections numbered 1 to 4. What is the probability of the spinner landing on an even number?

• 0.25

• 0.5

• 0.75

• 1

Tags

CCSS.7.SP.C.7A

Which of the following probabilities indicates an unlikely event?

• 0.9

• 0.5

• 0.1

• 0.8

Tags

CCSS.7.SP.C.5

If a coin is flipped twice, what is the probability of getting two heads?

• 1

Which of the following events is impossible?

• Drawing a king from a standard deck of cards

• Rolling a 0 on a standard six-sided die

• Flipping a coin and getting tails

• Picking a blue marble from a bag of only blue marbles

Tags

CCSS.7.SP.C.5

A jar contains 10 candies: 4 are red, 3 are green, and 3 are yellow. What is the probability of picking a yellow candy?

• 0.1

• 0.3

• 0.4

• 0.5

Tags

CCSS.7.SP.C.7B

Which probability best represents an event that is equally likely to happen or not happen?

• 0

• 0.25

• 0.5

• 1

Tags

CCSS.7.SP.C.5

A spinner is divided into 8 equal sections, numbered 1 to 8. What is the probability of the spinner landing on a number less than 5?

Tags

CCSS.7.SP.C.7A