IGCSE Mathematics Core C8.1.3 Understand that the probability of an event not occurring = 1 – the Question Bank
C8.1.3 Understand that the probability of an event not occurring = 1 – the
• Understand that the probability of an event not occurring = 1 – the probability of the event occurring. Probability notation is not required. Probabilities should be given as a fraction, decimal or percentage. Problems may require using information from tables, graphs or Venn diagrams (limited to two sets). e.g. The probability that a counter is blue is 0.8. What is the probability that it is not blue?
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