Probability Quiz 8-20-10

10 Questions | Total Attempts: 699

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Probability Quiz 8-20-10

Finding the probaility of single and compound events


Questions and Answers
  • 1. 
    If a coin is flipped 2 times, what is the probability it will land on heads both times
    • A. 

      1/5

    • B. 

      1/10

    • C. 

      1/4

    • D. 

      2/8

  • 2. 
    There are four coins in a purse. One is a quarter and the others are nickels. Describe the probability of picking a dime.
    • A. 

      Likely

    • B. 

      Unlikely

    • C. 

      Certain

    • D. 

      Impossible

  • 3. 
    What is the probability of a number less than 4 showing when a number cube is rolled?
    • A. 

      1/3

    • B. 

      1/6

    • C. 

      1/4

    • D. 

      1/2

  • 4. 
    What is the probability the spinner will stop on 8 or 7? Simplify.
    • A. 

      1/4

    • B. 

      1/5

    • C. 

      1/3

    • D. 

      1/8

  • 5. 
    What is the probability the spinner will not stop on 8?
    • A. 

      7/8

    • B. 

      2/5

    • C. 

      1/9

    • D. 

      2/4

  • 6. 
    A box contains 4 berry, 3 cinnamon, 4 apple, and 5 oatmeal granola bars. If Myka randomly selects 1 bar, puts it back and selects another bar, what is the probability that they will both be cinnamon ?
    • A. 

      1/4

    • B. 

      4/32

    • C. 

      9/256

    • D. 

      6/16

  • 7. 
    Suppose two standard dice are rolled. What is the probability that one die shows 2 or 5, and the other shows 1, 3, or 6?
    • A. 

      5/36

    • B. 

      1/12

    • C. 

      1/6

    • D. 

      1/3

  • 8. 
    At Kennedy Middle School, 3 out of 5 students make honor roll. What is the probability that a student does not make honor roll?
    • A. 

      65%

    • B. 

      40%

    • C. 

      60%

    • D. 

      None of the above

  • 9. 
    A large basket of fruit contains 3 oranges, 2 apples and 5 bananas. If a piece of fruit is chosen at random, what is the probability of getting an orange or a banana?
    • A. 

      4/5

    • B. 

      1/2

    • C. 

      7/10

    • D. 

      None of the above

  • 10. 
    In a class of 30 students, there are 17 girls and 13 boys. Five are A students, and three of these students are girls. If a student is chosen at random, what is the probability of choosing a girl or an A student?
    • A. 

      19/30

    • B. 

      11/15

    • C. 

      17/180

    • D. 

      None of the above

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