Worked Example
Applied word problem 8
For Class 10 Mathematics, explain or solve a complementary events question from the chapter "Probability". Focus on applied word problem and show the working clearly.
Step-by-step solution path
- Read the topic idea: Complementary Events.
- Recall the core explanation from the chapter: Theoretical probability using equally likely outcomes.
- Use the related formula "Complement Rule" as the main tool while solving.
- Write the reasoning in simple school-level language before the final answer.
Final learning answer
This example is centred on Complementary Events. A strong solution should identify the correct data, apply Complement Rule, and explain each transition instead of jumping directly to the answer.
Related formula
Complement Rule
P(E) + P(not E) = 1
