Complementary Events

• Identify complementary events and use the sum of probabilities to solve problems (ACMSP204)
• Describe events using language of ‘at least’, exclusive ‘or’ (A or B but not both), inclusive ‘or’ (A or B or both) and ‘and’. (ACMSP205)
• Represent events in two-way tables and Venn diagrams and solve related problems (ACMSP292)

Task: Cat and Dog

Is this a fair game? How many ways can the game be played fairly?

Resources

• Skills Practice: Level I