Class 12 Probability · Mcq Single Correct1 Marksprobability_distributions
Class 12 Maths · Probability · Mcq Single Correct #17
A random variable has values 2,3,4,5 with probabilities 5/k,7/k,9/k,11/k. Find k.
✅ Step-by-Step Solution
Final Answer: Option (C): 32
- Normalization gives (5+7+9+11)/k=1, hence k=32. All probabilities are nonnegative.
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