Class 12 Probability · Conceptual Answer1 Marksprobability_distributions
Class 12 Maths · Probability · Conceptual Answer #36
X has values 0,1,2,3 with probabilities 0.2,k,k,2k. Find k.
✅ Step-by-Step Solution
Final Answer: k=0.2
- Normalization gives 0.2+4k=1, hence k=0.2; all probabilities are nonnegative.
- k=0.2
📋 CBSE Stepwise Marking Scheme
- [0.5 marks] Normalization gives 0.2+4k=1, hence k=0.2; all probabilities are nonnegative.
- [0.5 marks] k=0.2
Master Chapter 13: Probability
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