Starter quiz

  • What is the sum of the possible events A, B and C in this probability tree?
    What is the sum of the possible events A, B and C in this probability tree?
    • 1  ✓
    • /frac{7}{8}
    • /frac{1}{8}
    • /frac{2}{8}
  • In a fair six-sided die, what is the probability of rolling a 2 and getting 'tails' in a single toss of a fair coin?
    • \frac{1}{12}  ✓
    • \frac{1}{6}
    • \frac{1}{2}
  • There are two trials. In Trial 1, a spinner with {A, B} is spun twice. In Trial 2, a spinner with {B, C} is spun twice. Which statements are true?
    • A and C have an equal chance of appearing in the trials.  ✓
    • B is more likely to appear in the trials.  ✓
    • B is less likely to appear in the trials than A.
  • What is the probability of this spinner landing on a vowel?
    What is the probability of this spinner landing on a vowel?
    • 0.4  ✓
    • 0.2
    • 0.5
    • 0.6
  • Alex believes that the likelihood of a spinner stopping on a shaded space is equal to an unshaded space. Is Alex correct?
    Alex believes that the likelihood of a spinner stopping on a shaded space is equal to an unshaded space. Is Alex correct?
    • Alex is correct.  ✓
    • Alex is incorrect, it is less likely the spinner would land on a shaded space.
    • Alex is incorrect, it is more likely the spinner would land on a shaded space.
  • How many ways are there to get a sum of 7 when adding the results of two standard six-sided dice rolls?
    • 5
    • 6  ✓
    • 7
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