Probability Trivia Questions Quiz! Test Your Knowledge

15 Questions | Total Attempts: 75

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Probability Trivia Questions Quiz! Test Your Knowledge

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Questions and Answers
  • 1. 
    You choose a letter from the alphabet at random.  What is the probability of choosing the letter Q?
    • A. 

      1 out of 2

    • B. 

      1 out of 26

    • C. 

      1 out of 12

    • D. 

      0 out of 1

  • 2. 
    Suppose you flip a coin 3 times, what is the probability that the coin will land on heads 3 times?
    • A. 

      1/2

    • B. 

      1/6

    • C. 

      1/4

    • D. 

      1/8

  • 3. 
    What is the probability that a day of the week picked at random is a Saturday?
    • A. 

      1/3

    • B. 

      1/6

    • C. 

      1/2

    • D. 

      1/7

  • 4. 
    A card game has 25 red cards, 25 green cards, 25 yellow cards, 25 blue cards, and 8 wild cards. What is the probability that the first card dealt is a wild card?
    • A. 

      8/100

    • B. 

      4/25

    • C. 

      2/27

    • D. 

      4/27

  • 5. 
    A spinner that is numbered 1-7 is used for a game. What is the probability that a 5 will be spun?
    • A. 

      1/6

    • B. 

      1/5

    • C. 

      1/7

    • D. 

      5/7

  • 6. 
    There are 12 marbles in a bag.  Four are yellow, two are green, and 6 are red.  What is the probability of choosing a yellow marble?
    • A. 

      3:1

    • B. 

      1/3

    • C. 

      1/2

    • D. 

      50%

    • E. 

      1/6

  • 7. 
    A coin is tossed 50 times, and it lands on heads 28 times.  What portion of the flips were heads?
    • A. 

      11/25

    • B. 

      28/100

    • C. 

      .56

    • D. 

      50:28

    • E. 

      .44

    • F. 

      28%

  • 8. 
    A six-sided dice is tossed three times.  For the third flip, what is the probability of landing on a 1?
    • A. 

      24

    • B. 

      3/24

    • C. 

      1

    • D. 

      1/6

  • 9. 
    The F1 generation in a fruit fly lab produces 190 total offspring.  There are 52 red-eyed flies and 138 white-eyed flies.  The is the ratio of red-eyed to white-eyed flies?
    • A. 

      .37

    • B. 

      .73

    • C. 

      2.65

    • D. 

      1: 2.65

    • E. 

      1: 3.65

    • F. 

      1:1.38

  • 10. 
    Pea plants are crossed and produce 240 offspring (170 of which are purple, all others are white).  What is the ratio of purple to white flowers?
    • A. 

      1 : 1.41

    • B. 

      1.41 : 1

    • C. 

      3.42 : 1

    • D. 

      2.43 : 1

    • E. 

      .71

    • F. 

      .29

    • G. 

      .41

  • 11. 
    The F1 generation in a fruit fly lab produces 190 total offspring.  There are 52 red-eyed flies and 138 white-eyed flies.  The proportion of the offspring are white-eyed?
    • A. 

      .37

    • B. 

      .73

    • C. 

      2.65

    • D. 

      1: 2.65

    • E. 

      1: 3.65

    • F. 

      1:1.38

  • 12. 
    Pea plants are crossed and produce 240 offspring (170 of which are purple, all others are white).  What percent of the plants display purple flowers?
    • A. 

      1 : 1.41

    • B. 

      1.41 : 1

    • C. 

      3.42 : 1

    • D. 

      2.43 : 1

    • E. 

      71%

    • F. 

      29%

    • G. 

      41%

  • 13. 
    When crossing a Aa X Aa, it is expected that 25% of the offspring will be recessive.  If a cross produces 48 mice, how many are predicted to be recessive?
    • A. 

      .25

    • B. 

      1\4

    • C. 

      12

    • D. 

      14

    • E. 

      25

  • 14. 
    You flip a coin eight times and get six heads.  On the ninth flip, what is the change you will get another heads?
    • A. 

      Nearly 100%

    • B. 

      Nearly 0%

    • C. 

      50%

    • D. 

      Little higher than 50%

    • E. 

      Little lower than 50%

  • 15. 
    When you cross a Aa x aa, what ratio of dominant:recessive do you expect?
    • A. 

      4:0

    • B. 

      3:1

    • C. 

      2:2

    • D. 

      0:4

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