Class 12 Probability · Conceptual Answer1 Marksexpectation
Class 12 Maths · Probability · Conceptual Answer #96
Hari fires 64 shots, each with hit probability 1/4. Find the expected hit count.
✅ Step-by-Step Solution
Final Answer: 16
- Let Iᵢ indicate a hit on shot i. By linearity, E(ΣIᵢ)=64·1/4=16; independence is unnecessary for this mean.
- 16
📋 CBSE Stepwise Marking Scheme
- [0.5 marks] Let Iᵢ indicate a hit on shot i. By linearity, E(ΣIᵢ)=64·1/4=16; independence is unnecessary for this mean.
- [0.5 marks] 16
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