Probability
  • 1. Give the probability of rolling a 6 on a number cube.
A) 6/6
B) 1/6
C) 5/6
  • 2. Give the probability of flipping a coin and landing on heads
A) 2/2
B) 1/2
C) 1/4
  • 3. Rolling an even number on a number cube
A) impossible
B) unlikely
C) as likely as not
D) likely
  • 4. Picking a red marble out of a bag of 10 red marbles and 1 blue marble
A) as likely as not
B) certain
C) likely
D) unlikely
  • 5. The probability of the football team winning is 1/5. What is the probability of the team not winning?
A) 1/10
B) 2/5
C) 4/5
  • 6. Dan hits the ball 3/7 times at bat. What is the probability that he will hit the ball on his next time at bat?
A) 43%
B) 50%
C) 70%
  • 7. There are 9 girls and 12 boys on the student council. What is the probability that a girl will be chosen as president?
A) 9/12
B) 9/21
C) 12/21
  • 8. Anita tosses 3 coins. What is the probability that each coin will land tails up?
A) 1/4
B) 1/2
C) 1/8
  • 9. What is the probability of flipping two coins and both landing on tails?
A) 3/4
B) 1/2
C) 1/4
  • 10. What is the probability of flipping two coins and one landing on heads and one landing on tails?
A) 1/2
B) 3/4
C) 1/4
  • 11. What is the probability that Jen will roll a 3 on a number cube and flip tails on a coin?
A) 1/12
B) 1/2
C) 6/8
D) 3/4
  • 12. A spinner has 4 equal sections labeled 1-4. What is the probability that Zak will spin an even number and roll a 5 on a number cube?
A) 3/4
B) 1/12
C) 5/6
D) 4/6
  • 13. What is the probability that Jack will flip heads on a coin and roll an odd number on a number cube?
A) 1/4
B) 3/4
C) 1/12
  • 14. A deck of cards has 10 cards labeled 1-10. What is the probability of choosing and odd number and rolling a 1 or a 2 on a number cube?
A) 1/4
B) 1/2
C) 1/3
D) 1/6
  • 15. You can get a sundae with chocolate, vanilla, or strawberry ice cream. You can get sprinkles, hot fudge, or peanuts. How many possible outcomes are there?
A) 9
B) 10
C) 12
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