Exploring Venn Diagrams in Probability

What are the two types of diagrams mentioned for the AI SL course?

• Venn diagrams and Pie charts

• Tree diagrams and Transition matrices

• Venn diagrams and Tree diagrams

• Bar graphs and Line charts

What symbol represents the intersection of Set A and Set B in a Venn diagram?

• The plus (+) symbol

• The end (⊥) symbol

• The union (∪) symbol

• The intersection (∩) symbol

Why are circles commonly used in Venn diagrams?

• Because they are aesthetically pleasing

• Because they represent infinity

• Because they clearly show overlaps

• Because they are easier to draw

How many people surveyed enjoyed both comedy and drama movies?

• 20 people

• 13 people

• 8 people

• 5 people

What is the total number of people who did not enjoy either comedy or drama?

• 8 people

• 2 people

• 4 people

• 6 people

How many people surveyed enjoy comedy?

• 8 people

• 11 people

• 13 people

• 3 people

What is the correct way to start populating a Venn diagram?

• From the universal set to the subsets

• From the subsets to the universal set

• Randomly, as long as all numbers are placed

• From the intersection and working outwards

What is the probability of selecting someone who enjoys drama?

• 13/20

• 3/20

• 8/20

• 5/20

What is the probability of selecting someone who enjoys drama but not comedy?

• 3/20

• 1/4

• 8/13

• 5/20

What does the vertical line in set notation represent in conditional probability questions?

• Complement

• Given that

• Intersection

• Union