7th Grade Math Probability Challenge

A bag contains 4 red, 5 blue, and 3 green marbles. What is the probability that a randomly selected marble is blue?

• 1/3

• 1/4

• 5/12

• 5/11

Tags

CCSS.7.SP.C.7B

A six-sided die is rolled. What is the probability of rolling a number greater than 4?

• 1/6

• 1/3

• 1/2

• 2/3

Tags

CCSS.7.SP.C.7B

A standard deck of 52 playing cards is shuffled, and one card is drawn. What is the probability of drawing a heart?

• 1/4

• 1/2

• 1/13

• 1/52

Tags

CCSS.7.SP.C.7B

A spinner is divided into 5 equal sections numbered 1 through 5. What is the probability of spinning an even number?

• 1/5

• 2/5

• 3/5

• 4/5

Tags

CCSS.7.SP.C.7B

If a coin is flipped 50 times and lands on heads 28 times, what is the experimental probability of landing on heads?

• 0.28

• 0.56

• 0.50

• 0.72

Tags

CCSS.7.SP.C.6

A student spins a spinner divided into 8 equal sections numbered 1 through 8. After 40 spins, the number 3 appears 12 times. What is the experimental probability of landing on a 3?

• 0.3

• 0.25

• 0.2

• 0.4

Tags

CCSS.7.SP.C.6

A basketball player makes 15 free throws out of 25 attempts. What is the experimental probability of making a free throw?

• 0.6

• 0.5

• 0.75

• 0.4

Tags

CCSS.7.SP.C.6

In a survey, 18 out of 30 students preferred chocolate ice cream over vanilla. What is the experimental probability of a randomly selected student preferring chocolate?

• 0.5

• 0.6

• 0.7

• 0.8

Tags

CCSS.7.SP.C.6

List the sample space for flipping two coins.

• HH, HT, TH, TT

• HH, TT

• HT, TH

• HH, HT

A box contains two red, one blue, and one yellow ball. If you randomly pick one ball and then another without replacing the first, what is the total number of possible outcomes in the sample space?

• 6

• 8

• 12

• 16