Starter quiz

  • The ______ that an event will occur is the proportion of times the event is expected to happen in a suitably large experiment.
    • 'probability' ✓
  • Which letter on the probability scale represents a probability of 0.5?
    Which letter on the probability scale represents a probability of 0.5?
    • A
    • B
    • C  ✓
    • D
    • E
  • The spinner is divided into equal-sized sectors. What fraction of the spinner is labelled 'win'?
    The spinner is divided into equal-sized sectors. What fraction of the spinner is labelled 'win'?
    • {1}\over{2}
    • {1}\over{3}
    • {2}\over{3}
    • {2}\over{5}  ✓
  • The spinner is divided into equal-sized sectors. <span class="blank">______</span>% of the spinner is labelled 'lose'.
    The spinner is divided into equal-sized sectors. ______% of the spinner is labelled 'lose'.
    • '60' ✓
  • A trial has three possible outcomes: {A, B, C}. P(A) = {2}\over{7}. P(B) = {1}\over{7}. P(C) = {4}\over{7}. Which outcome is most likely to happen?
    • A
    • B
    • C  ✓
  • The probability on an outcome is 25%. Approximately how many times could you expect the outcome to occur in 500 trials?
    • 25
    • 50
    • 100
    • 125  ✓
    • 250
+