Probability

- 1. Give the probability of rolling a 6 on a number cube.
A) 5/6 B) 6/6 C) 1/6 - 2. Give the probability of flipping a coin and landing on heads
A) 1/2 B) 1/4 C) 2/2 - 3. Rolling an even number on a number cube
A) impossible B) likely C) unlikely D) as likely as not - 4. Picking a red marble out of a bag of 10 red marbles and 1 blue marble
A) unlikely B) likely C) as likely as not D) certain - 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) 70% C) 50% - 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) 12/21 B) 9/21 C) 9/12 - 8. Anita tosses 3 coins. What is the probability that each coin will land tails up?
A) 1/2 B) 1/4 C) 1/8 - 9. What is the probability of flipping two coins and both landing on tails?
A) 1/4 B) 1/2 C) 3/4 - 10. What is the probability of flipping two coins and one landing on heads and one landing on tails?
A) 3/4 B) 1/4 C) 1/2 - 11. What is the probability that Jen will roll a 3 on a number cube and flip tails on a coin?
A) 1/2 B) 1/12 C) 3/4 D) 6/8 - 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) 4/6 B) 5/6 C) 1/12 D) 3/4 - 13. What is the probability that Jack will flip heads on a coin and roll an odd number on a number cube?
A) 1/12 B) 3/4 C) 1/4 - 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) 1/2 B) 1/6 C) 1/3 D) 1/4 - 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) 12 B) 9 C) 10 |

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