Lesson 8 — Sets & Basic Probability

Key Concepts

• Set: collection of unique elements.
• Operations: ∪ (union), ∩ (intersection), ⊆ (subset).
• Probability: favorable / total outcomes.

Illustration

Placeholder: Venn diagram and sample space chart.

Practice

1. Given A={1,2,3}, B={3,4}, find A∪B and A∩B.
2. Roll a die: P(odd)?